Hidden Planets in Our Galaxy: 18 Terrestrial Planets Discovered

Hidden Planets in Our Galaxy: 18 Terrestrial Planets Discovered

 
This diagram shows the newly discovered exoplanets compared to the Earth and Neptune. (Photo Credit: NASA/JPL (Neptune) NASA/SOAA/GSFC/Suomi NPP/ Norman Kuring (Earth), MPS/Rene Heller)

Using the Kepler Telescope, Scientists have collected data on 18 exoplanets. Most of the planets discovered orbit close to their parent star and have varying surface temperatures that exceed more than 1,800 degrees Fahrenheit (1000 Degrees Celsius). One planet in particular orbits a red dwarf star in the area scientists dubbed "the habitable zone". The habitable zone is the area in which a planet could host liquid water on its surface, as it orbits its parent star but this does not mean that life could flourish on this planet. This world would be particularly difficult for life to develop on due to the fact that red dwarfs emit strong x-rays that make it hard for even the hardiest of microbes to develop.

K2 is the computer  program developed by scientists where Kepler space telescope uses solar winds to stabilize the telescope's pointing in a direction, examining a field of view for months. Using this method, Kepler has examined more than 100,000 stars, including 517 stars with planets orbiting them. Among the planets discovered using this method was the famous TRAPPIST-1 system (CLICK HERE: to read more about TRAPPIST-1). Researchers decided to look at the data gathered with this method using a new data processing algorithm.

Rene Heller, an astrophysicist at the Max Planck Institute for Solar System Research stated "In reality, however, a stellar disk appears slightly darker at the edge than in the center. When a planet moves in front of a star, it therefore initially blocks less starlight than at the mid-time if the transit. The maximum dimming of the star occurs in the center of the transit just before the star becomes gradually brighter again."



Kepler data identifies the exoplanets by spotting small dips in brightness caused when a planet passes between a star and the telescope. Scientists are developing new algorithms to try and uncover more planets within the data.
(Image: NASA/SDO (Sun), MPS/Rene Heller)

The reason why this new algorithm was created was to try and create a more realistic dimming pattern as a planet transits across the face of a star. Using this new algorithm it became easier to detect smaller planets. The new planets discovered range from just slightly smaller than the Earth to nearly double the size of the Earth. The new algorithm even makes it easier for scientists to discover planets when fluctuations of light from a star is altered by sunspots.

If we continue to use this algorithm and discover newer ways to interpret the Kepler data, more planets could be out there, waiting to be discovered. Who knows, some may even harbor life.

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Simple Guide to our Solar System: Mercury

Mercury

The Basics

Mercury is the smallest planet in our solar system and the closest planet to our Sun. An interesting fact, the Sun would appear three times as large in the sky and 11 times brighter than here on Earth.  But despite its close proximity to the Sun, it is not our hottest planet. The crown in that category belongs to Venus, Earth's twin sister. Mercury gets its name from the Roman God Mercury because it is the fastest planet in our solar system. Mercury completes its year around the Sun in only 88 Earth days. This means that the planet wisps around the Sun at a staggering 112,000 mph (180.000 km/h). Now you can see why it is named after the Roman God Mercury.

Characteristics

Mercury has a radius of 1,516 miles (2,440 km) and is only 36 million miles (58 million km) from the Sun. It takes light 3.2 minutes to travel from the Sun to Mercury and that is amazing. Mercury has an egg-shaped orbit known as an eccentric orbit. Other notable characteristics of Mercury are as follows:

• Completes one rotation every 59 Earth days
• Mercury does not experience seasons 
• One of 4 terrestrial planets in the solar system
• Aside from how close it is to the Sun, Messenger, a spacecraft sent by the planet has discovered water at Mercury's poles.
• It is the smallest planet in the solar system, only slightly larger than the Earth's moon.

Mercury is a terrestrial planet, one of 4 in the inner solar system. Terrestrial comes from the Latin phrase "Terra" which means Earth. The average density of the planet is 5.427 g/cm3 . Mercury's make up is similar to that of Earth's. Mercury has a molten Iron core surrounded by a mantle of superheated rock which is then surrounded by a crust rock layer.

NASA

Mercury, with colors enhanced to emphasize the chemical, mineralogical and physical differences among the rocks that make up its surface.

The surface of Mercury is an unforgiving one, with temperatures reaching close to 900 degrees in the sunlight. Although the surface is scorching hot, it is still not the hottest planet in our solar system! Can you guess which planet holds that title? Comment below! 

Interestingly enough, Mercury joins Earth as a planet with active plate tectonics. The inner mantle of the planet is cooling causing the planet to shrink. This action causes the surface of the planet to crack creating huge mountain ranges and rift valleys.

Mercury has a very thin exosphere that is composed of 42 percent oxygen, 29 percent sodium, 22 percent hydrogen, 6 percent helium, 0.5 percent potassium, with trace amounts of other elements. This exosphere is formed due to the intense solar winds and meteor impacts pounding the surface, blowing off atoms into space.

Thought Mercury was a complex planet, wait until you see the next stop on our journey! Stay tuned for the planet, Venus!

Click here to read about Venus!!

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Betelgeuse Will Supernova!

Betelgeuse Will Supernova!

By: Aubrey Pennington

A direct sky image of Betelgeuse. The star is shedding mass as it approaches exploding into a supernova.

(Image: © ESO/Digitized Sky Survey 2. Acknowledgement: Davide de Martin)

Betelgeuse is a bright star located in Orion. It is one of the largest known stars we have observed with a diameter of 700 times the size of the Sun. That is a whopping 600 million miles in diameter. It is classified as a red super giant and it is about 640 light years from Earth. Betelgeuse has a surface temperature of 6000 degrees Fahrenheit (3,316 degrees Celsius) which is less when compared to the Sun’s surface temperature of 10,000 degrees Fahrenheit (5,538 degrees Celsius). This low temperature is what gives the star its red glow. Betelgeuse is only a baby star compared to our Sun (4.6 billion years old), at only 10 million years old.

So, what exactly is happening to Betelgeuse, well it is about to go Supernova. Betelgeuse is shedding so much mass (seen in the picture above). This phenomenon is known as Stellar Mass Loss. It is observed in some massive stars where their mass is ejected into space. We do not know much information as to why stars go through this phase but my speculation, after reading different sources, is that once the stars run out of hydrogen to fuse and begin to fuse heavier elements such as helium. This causes the star to become hotter and it begins to swell. This causes the surface of the star to become weak and it begins to leak mass through the surface and eject it into space. But what we do know for sure, is that Betelgeuse is its final stages of life. Looking at the track of a Sun with at least 25 times the mass we can see that Betelgeuse is a Super red giant and we are expecting it to go supernova. Betelgeuse began to shed its outer layers and we began measuring what we could in 1993 for about 15 years. We noticed that Betelgeuse shed about 15 percent of its mass in that short amount of time.

Dr Haley Gomez explains how Herschel will help us understand the life-cycle of stars

http://herschel.cf.ac.uk/science/agbstars

I have written a blog post on Supernovae here: Supernova. I will briefly reiterate a little below:

The before a supernova can happen, the star must stop fusing hydrogen at the core. It will expand and become a red giant and the core will become hot enough to begin fusing helium into carbon. This process in massive stars is like stars like our Sun. But this is where the similarities end. The star will continue to fuse carbon into heavier elements such as oxygen, neon, silicon, magnesium, sulfur, and finally iron. Once a star begins to fuse atoms into iron, the star is at its end and it can no longer burin fuel. The star then collapses under its own gravity and the iron core begins to heat up. In a fraction of a second, the Earth sized iron core shrinks to about 6 miles across (10 kilometers). The outer layers of the star will fall inwards onto the core which will heat it to billions of degrees and then…. BOOM. The star explodes releasing large amounts of energy and tons of materials into space forming interstellar clouds. What remains of the star can form a neutron star or a black hole depending on how massive the star was.

With all that said, we know what will happen to Betelgeuse, but I am sure you want to know exactly how long that will be from now? The number is difficult to gauge but the consensus from multiple sources say in about 100,000 years Betelgeuse will go supernova.

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Astronomers Accidentally Discover 12 Moons Orbiting Jupiter

Astronomers Accidentally Discover 12 Moons Orbiting Jupiter

ROBERTO MOLAR CANDANOSA/CARNEGIE INSTITUTION FOR SCIENCE 

Astronomers have accidentally stumbled across 12 moons previously undetected in orbit around Jupiter, bringing the new total in orbit around the massive planet to 79.

Scientists were looking for the evasive object, Planet X. This planet lies just beyond Pluto and it is roughly the size of Mars. While searchin
g, scientists at the Chile’s Cerro Tololo Inter-American Observatory found 12 bodies previously undetected orbiting Jupiter.

These moons are incredibly small in size which is the most likely reason that they were able to evade detection for so long. The moons range in size from approximately 0.5 to 2 miles across. Of the 12 moons, 9 of them are in a retrograde orbit meaning they orbit Jupiter opposite of the planets rotation. 2 moons are in a prograde orbit meaning they orbit Jupiter in the same direction of it's rotation. Last but not least we have a moon in an orbit so weird around the planet that it is unlike any other moon that orbits Jupiter. This moon is called Valetudo, named after the Roman Goddess of Health and Hygiene.

The discovery of these moons took the combined effort of Chile’s Cerro Tololo Inter-American Observatory and 4 other telescopes over a year to finalize this discovery.

Space will never cease to amaze and captivate us. Jupiter is just one amazing, powerful giant and we look forward to discovering more and more in and outside of our celestial backyard.

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Cassini: The Finale

Cassini: The Finale

Saturn: Cassini, NASA

Voyager 1, Voyager 2, and Pioneer 11 have all passed by Saturn in the past, but no other spacecraft has revealed to us more information about Saturn than Cassini and its pal the Hyugens Probe. Cassini was the first probe to initiate an in depth look at Saturn and became the first probe to orbit the planet. We have discovered many things about Saturn's rings, the constantly changing magnetosphere,  and Titan's surface, just to name a few. To me, the most exciting discoveries to be made lie within Saturn itself and many more to find on the surface of it's amazing moon Titan. This is where the Hyugens Probe comes in to play. This probe was launched onto Titan's surface in 2005.

Huygens Probe: NASA

Since the Cassini mission began, it has seen two mission extensions which allowed for more flybys. The first extension was a two year mission called Cassini Equinox mission. This mission allowed Cassini to orbit Saturn and show us brilliant displays of Saturn's rings that were never before seen. The second extension was a seven year long extension called the  Cassini Solstice Mission. This mission will be concluded with a phase called The Grande Finale. The Grande Finale is characterized by 22 dives between Saturn's cloud tops and innermost ring before it goes dives into the planets atmosphere.

Cassini Launch: NASA

Sadly, every mission has to come to an end, this mission particularly due to a dwindling fuel supply and other factors. So before Cassini plunges to its demise, we can take a look at some of Cassini's notable achievements throughout its  20 year lifespan. Cassini was launched October 15th, 1997. The trip to Saturn took nearly 7 years to complete. Since Cassini's launch, the spacecraft has analyzed, studied, and captured some pretty amazing things. Cassini joined the Galileo spacecraft in December 2000, giving scientists more information about the Jupiter system. 3 months prior to arriving to Saturn, Cassini discovered 2 new moons on May 31st 2004 bringing the total count to 60 moons. After becoming the first craft to orbit Saturn, nearly 4 months later, Cassini's lenses pointed towards Titan and began studying the atmosphere and in 2005, the Huygens probe makes it safely to Titan's surface, revealing extraordinary information about the moon. Cassini discovered that most of the material in Saturn's E ring is composed of particles emanating from a moon named Enceladus and soon after that finding, we discovered that Enceladus has liquid water on the surface shooting from geysers, lakes on Titan. Cassini is an amazing craft, all of the findings were discovered during the primary mission.

Cassini has provided information of the moons Titan and Enceladus. And with each pass, we learned more and more about the two moons. Enceladus has liquid water on it's surface, more than 100 geysers that shoot ice particles out into space, geologic activity, hydrogen gas leaking in to the surface oceans, and hydro-thermal activity on the ocean floor, which can be an energy source for life. Titan has small and large lakes and a Sea of methane. Titan is a very rocky moon with mountains that exceed heights of 10,000 feet.

Cassini is readying itself for the final phase of this mission, deemed the Grand Finale. During this phase of the mission, Cassini will orbit closer to the planet than ever before during any other mission - diving between the planet and it's rings. This will help us learn about the region between the planet and it's rings and learn about the upper atmosphere of Saturn. According to NASA, Cassini will gather information that was too risky to gather during the early parts of the mission. Data such as Saturn's gravity, magnetic fields, internal geology, how fast the planet is rotating, new information about the ring system, icy particles in Saturn's atmosphere, and ultra close pictures of Saturn's rings and clouds.

Cassini's Path during ring dive: NASA

Everything Cassini finds will be beamed back to Earth, but there is still the question as to why scientists at NASA have decided bring Cassini to an end. Rocket fuel used to navigate Cassini over its 7 year journey and nearly 13 year orbit around Saturn, is running low. If Cassini's mission is not brought to an end, we will be unable to adjust it's course later on which could end in colliding into one of Saturn's moons. In order to avoid the possibility of the collision with a moon, NASA has decided to dispose of Cassini in Saturn's atmosphere. It is my understanding that once Cassini enters Saturn's atmosphere, much like when something enters Earth's atmosphere, it will burn up like an asteroid or meteorite. Cassini will be collecting data of Saturn until the end. Disposing of Cassini in this manner will allow us to preserve and protect the possible life harbingers Titan and Enceladus. 

Thanks to Cassini, we were able to view Saturn in ways never seen before. We have been able to study the composition and temperature of Saturn's upper atmosphere, and Cassini has provided us with live and up close pictures of Saturn's beautiful storms, we learned that there are seven year seasons, and we learned a lot about it's beautiful moons. In the 13 years Cassini orbited Saturn, we have learned more than we possibly ever will about Saturn.

Godspeed Cassini.

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The Fascination with Space

The Fascination with Space

 

Image Credit: NASA/ESA/HEIC and The Hubble Heritage Team (STScI/AURA)

        Humans love to explore. In fact, we have seen to the furthest reaches of our universe, to where stars and galaxies are being born, and where time begins. We have witnessed the beginning of creation first hand. Space has been our addiction for centuries. We have explored more of the universe that we have explored our own planet. For example, the ocean covers 70 percent of the Earth's surface and we have only explored less than 5 percent of it. The Mariana Trench is the deepest place on our planet. It is the largest most unexplored place on the Earth. Scientist call It “the last, great, unexplored frontier”.  Down in the depths of this dark and dangerous trench are possibly thousands upon thousands of new species to be discovered. In the 4 hours, it took a group of researchers to dive the nearly 7 miles to the depths of the Mariana trench, there were dozens of new species discovered. Scientists have learned that life could thrive in yet another extreme environment. How could this be? When scientists look in extreme environments, we see life prosper in ways that defy our understanding. Life adapts to survive.

         Life can thrive in the most extreme and unexpected environments. The life that thrive in these environments are called extremophiles. These extremophiles can tolerate conditions that would kill other organisms. These organisms live in such places like volcanic hot springs, densely salted lakes, sulfuric acidic pools, frozen tundra, superheated boiling water, extreme water pressure, asphalt lakes, absence of oxygen and water, just to name a few. These discoveries have fueled our thirst for more. We have stepped out into the greatest challenge that man has ever faced and that is outer space. We will continue searching until we answer the question, “Are we alone?”.

Thermophiles, a type of extremophile, produce some of the bright colors of Grand Prismatic Spring, Yellowstone National Park

         Recently, with the aid of the Spitzer Space Telescope,  we have discovered 7 planets. The system has come to be known as the Trappist-1 system. This system has 3 planets in the habitable zone. These planets could possibly harbor life. On the surface of these planets, even though they are cooler than the Earth, there is the possibility of liquid water. If the planets have the right combinations of gasses and an atmosphere, they could be habitable for humans. When thinking about extremophiles, these 3 planets could have these hardy microscopic life forms.
 


          Do you think the Trappist-1 system could harbor life? It will be interesting to find out. One day our curiosity will get the best of us and we will be in orbit around one of the worlds that orbit Trappist-1. There is an entire universe out there and more planets to discover. The exploration pushes forward and the quest to find life continues.

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SEVEN Earth Sized Planets Discovered!!!

SEVEN Earth Sized Planets Discovered!!!

If you read the title, do not wipe your eyes, or double take! That does say SEVEN Earth sized planets discovered. It is one of the biggest discoveries of my life time in my own opinion. What makes this discovery so much more significant than all of the others. Well, Here's why!!


The Amount of Planets Discovered in One System

This system is different than most of the other systems discovered. There have been more than 3,400 exoplanets discovered since this program started. While the Kepler space telescope is the familiar exoplanet finder, the Spitzer Space Telescope takes the credit for this find. This is special because Seven planets were discovered at once, in the same system, with three of them being located in the habitable zone or "Goldilocks" zone. Which leads me into the point.


The Habitable Zone

Everyone has heard of the Habitable Zone! But, just what is the Habitable Zone? Well it is commonly referred to as the "Goldilocks" Zone. It is the zone where liquid water and possibly even life can be sustained. In our solar system, 3 planets exist inside of the Habitable Zone; Earth, Venus, and Mars. The problem with Mars is that it sits to the far end of our zone where it experiences freezing cold temperatures. Venus is on the front end of the Habitable Zone and it experienced the greenhouse effect and became so hot that all of the water that was there evaporated. In the newly discovered system TRAPPIST-1, the planets that exist in the Habitable Zone are TRAPPIST-1e, g, and f. TRAPPIST-1e is roughly the same size of the Earth and receives about the same amount of star light as the Earth.



Planet TRAPPIST-1e seems to have great potential for oceans, high oxygen concentration, and more Earth like features. This is why this discovery is so revolutionary. If that is not enough for you, there have been 3,449 confirmed exoplanets. NASA says that there are potentially 100 billion exoplanets out there to be discovered. How many do you think will be in the Habitable Zone?


The distance

This is quite possibly the most important criteria. These planets are 40 light-years away. What is a light year? A light year is the distance that light travels in one year. This is saying it would take 40 years, traveling at the speed of light, to reach one of these planets. How fast is the speed of light? That is a mind boggling 186,000 miles per SECOND! Sadly, we have not reached anywhere close to traveling at those speeds. I know what you are thinking, if the new planets are so far away, how come I am making such a big deal about this? Roughly 6 months ago, we discovered an exoplanet known as Proxima b. this exoplanet orbits our nearest neighboring star which is 4.2 light-years away. This system is only made up of that one exoplanet. Discovering the TRAPPIST-1 system just a mere 40 light years away, with SEVEN exoplanets, and THREE of those in the Habitable Zone, is a wonderful and revolutionary find when compared to the vastness of the universe.

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Stars in the Night Sky

Stars in the Night Sky

For some people, the stars offer solidarity and tranquility. For others, their perplexity offers something a little different. For an amateur astronomer such as myself, there are so many questions to be asked as I look up at the night sky. Why do some stars twinkle? Why are some stars bright and some dull? Well today, we will try to understand the immensity of the stars in the night sky.

What do we see when we look up?

The night sky is filled with beauty. When we look up we see a wide variety of things such as planets, galaxies, and other stars in our own Milky Way Galaxy. Simply put, it is pretty difficult to see other galaxies because our sky is riddled with stars from our galaxy. There is one galaxy that sticks out in the Northern Hemisphere called M31 and in the Southern hemisphere, there are two dwarf galaxies.

Throughout the year, we can see multiple planets. While not all planets are always visible at the same time, it is amazing they are even there. On a clear night we can see Venus, which if it is not the brightest star in the sky, it is on par with the brightest star in the sky. Somewhere near Venus is a much dimmer star and that is Mars. Jupiter will creep up around midnight and last until dawn and it is the second brightest planet that dominates the sky. If you catch Saturn right before dawn and look at it through a telescope you would be in awe. Saturn is absolutely breathtaking. And as the Sun rises, you can catch Mercury as it slips behind the Sun as the morning light fills the sky.

How can you Tell the Difference Between a Star and a Planet?

I can see how confusing this can be since all the bright little lights in the sky look exactly the same. The easiest way to differentiate between a planet and a star is as simple as this.

1. A star shimmers or "twinkles" and a planet stays one constant in their luminosity (brightness)

2. Planets typically follow the same path as the Sun and the Earth's Moon, whereas stars move around in the sky, but they do not rise or set.

3. Although planets and stars both shine, the planets only shine because they are reflecting the light back from our Sun. There are stars many times bigger than our own Sun. Even though they are bigger, they are much further away from us that their light does not shine as bright.

Spiekeroog and the Milky Way over the island. Picture credit: Kai Kröger

What makes a Star Twinkle?

The atmosphere has many layers. As the light from the distant stars would pass through those layers, the light gets refracted (bent) and when picked up by our eyes, our perception is a twinkle. An interesting thing to note as well, the stars closer to the horizon twinkle more than stars higher up in the sky. This is because there is more air the light has to travel through which means more refraction of the light. As for planets, they are close enough to the Earth, that the atmosphere does not affect the light that we see.

So no matter what reason you choose to look up at the sky, just enjoy the peace and solidarity, ask questions, and learn! Stars are more than white specks in the sky!

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What's Space Like in a Game

Space in a Game

I love video games. And I know a lot of others who do. I also love space, and I similarly know a lot of people who share that interest. If you fall in either (or both) of these categories, have I got a game for you! Kerbal Space Program, officially completed as of April 27, 2015, has been available as an Early Access game or demo from various platforms since December 15, 2014. The finished game is now available on PC, Mac, Xbox One,

Possibly one of the most realistic space simulators to date, this doesn't just give you a ship and throw you into the wild black yonder- instead, it puts you in direct control of an entire space exploration administration, akin to NASA or SpaceX. The main core of gameplay involves building all assortments of rockets, shuttles, spaceplanes and more with hundreds of lego-like pieces, then firing them into space to see what sticks. The cartoonish little green-yellow Kerbals who fly these ships are determined, brave, and probably not all that bright... I probably wouldn't get in a ship designed by you, to be fair. But this game, while funny and bright at first glance, holds a depth of real-world physics and orbital mechanics nearly unmatched in any game before or since. It also has an entire solar system for you to explore, complete with a sun and six planets, a planetoid (like Pluto), and nine moons, as well as asteroids! It includes three different gameplay modes; Career, Science, and Sandbox.

In Career mode, you build  your administration from the ground up, hiring astronauts, performing contracts to raise money, building rockets, experimenting and researching to unlock more advanced rocket parts, and making sure your popular opinion stays high enough to keep funding coming. The full space administration experience. Note: it's really hard.

In Science mode, you start out with the basic buildings and rocket parts, and have to unlock more parts and upgrades via experiments. You don't have to worry too much about money or public opinion in this mode, but it's still quite a challenge just to get off the ground and back... safely, at least.

In Sandbox mode, the system is your oyster. All parts and building upgrades are there for you from the start, it's just up to you to build the biggest, baddest space behemoth you can... that won't fall apart as it exits the atmosphere.

Overall, this game is incredibly fun for just about anyone, from the expert in orbital mechanics to the kid who just got a telescope for his birthday. The learning curve is pretty steep, I won't lie, but it's not impossible to eyeball it and hope for the best-  you just have to be persistent, and not care about your Kerbals coming home if you play this way. On my first mission, I missed the Mun (one of the two moons orbiting your starting planet, Kerbin) and was slingshot out of Kerbin's orbit, losing my first astronaut (RIP Jebadiah) as he was thrown into orbit around the sun. But if you're smart enough and feel like doing the math, or get good enough at eyeballing it, you can conquer the system.

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What is Rain like on Different Worlds?

Hey, did you know that it rains on different worlds?

On Earth when stuff falls from the sky, what do we see? Well, it varies depending on the temperature, but you can rest assured that what you see and feel is water. The stuff is everywhere! It comes in different forms such as liquid and a solid. So how is rain formed? Rain happens through a process called the water cycle. Simply put, water is evaporated from sources like rivers, lakes, and oceans and rises into the air. As temperatures cool, the water vapor condenses and forms a cloud! Once water is condensed into a cloud, the cloud forms water droplets which then form into water drops. Once these water drops are heavy enough most of it makes it back to the surface as rain and this is the never-ending loop of the water cycle.

In bad thunderstorms, the drops that begin falling back to the surface get blown back high into the atmosphere into freezing temperatures (This is an updraft). The drop begins to fall again gaining more moisture and getting bigger. This happens over and over until the drop is big enough to fall down to the surface as hail.

 

So we know what rain is like on our planet. What is it like on other worlds? Let's take a trip to the first stop in our adventure, the planet Venus. Venus is Earth's twin. It closely resembles the size of our home. Venus is the hottest planet in our solar system. It has an atmosphere that is composed mostly of carbon dioxide and clouds saturated with sulfuric acid. Sulfuric acid is a strong mineral acid. It is strong enough to eat through living tissues, stone, and even metal! Assuming you would be able to survive all other aspects of Venus' harsh environment, if you happen to get caught in this super concentrated sulfuric acid rain, it would be a very bad day. 

The next stop on our journey is a moon in the Saturn system called Titan. Titan is the largest moon in the Saturn system and the second largest in the solar system, second to Jupiter's moon Ganymede. Titan is a very complex world, in fact, scientists believe it is similar to how Earth would have looked in its early years. Its atmosphere is composed of 95% nitrogen and 5% methane. Titan has rivers, lakes, and even oceans composed of methane! In order for methane to exist in a liquid form it has to be extremely cold, on Titan it would be about minus 290 degrees F! Living on Titan would be relatively easy for humans. It is one of the least hostile places in our outer solar system. Protection from the cold and a breathing mask would be all you needed to live there. So, what would happen if you got caught in rain on Titan? No need to worry. If you happen to be exposed to the liquid methane, treating the exposure would be relatively the same as treating a natural gas exposure. Let's say you get the methane on your skin, if you rinse the area thoroughly with water, you will be fine. 

It has been rumored that it rains diamonds on the gas giants. Yes, I said diamonds! But before you begin to plan a trip to the outer solar system, just know that bringing back that amount of diamond back to this planet would make the jewel worthless! So I bet you are wondering "how in the world can it rain diamonds anywhere!?" Well, studies have shown that the gas giants have an abundance of carbon in their atmospheres in the diamond form. Lightning storms on these planets turn methane into soot, which is a form of carbon. The soot begins to fall toward the center of the planet being subjected to higher pressures and heat, it would then turn into diamonds and continue to fall to the center as hail would fall here on Earth. Sadly, the heat is so intense on Saturn and Jupiter that the diamonds do not stay in that form for long before melting and collecting in a molten sea at the core of the planet. The same cannot be said for Neptune and Uranus since the planets are much cooler. The diamond rains on these planets last much longer. None of this has actually been confirmed beyond the shadow of a doubt, but it is still cool to think about. 

Where ever you are, whenever it begins to rain, always think about bringing your umbrella! Thank you all for reading please check out my social media below and subscribe to the blog for updates when I post!

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The Great Barrier Reef

The Great Barrier Reef is one of the most beautiful features on the planet. It is a 1,400-mile network of reefs off the coast of Australia. The reef is so immense, you can actually see this structure from space. Corals have been around for 500 million years. The Great Barrier Reef is relatively young at only about 500,000 years old with the newest formations being only 8,000 years old.

Recently, there has been talk about the reef dying. But this is nothing more than a hoax. The Great Barrier Reef is still very much alive, although it still in a great deal of stress. What's to blame for this stress? Prolonged elevated oceanic temperatures which can lead to bleaching of the corals. Bleaching occurs when prolonged high temperatures cause coral to expel their symbiotic algae (this alga actually lives inside of the coral's tissue developing a mutualistic relationship) turning them into snow-white skeletons. Corals can recover from this over time but some simply die. Divers on the Great Barrier Reef have spotted large areas with degraded coral, with some divers reporting the smell of rotting coral when they emerge from the water.

The Great Barrier Reef is very much alive and scientists are predicting they will be until the year 2050. This hoax brought attention to a scientific marvel. Hopefully, in the near future, we can reverse the effects of coral bleaching and bring the dying parts back to full vitality. The pictures below depict just a small fragment of the impressively large scale beauty of what is.. the Great Barrier Reef. 

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Our Moon is Leaving?!

Our Moon is Leaving!?

Believe it or not, Earth's satellite, the Moon, is hurling away from the Earth in to a perpetual darkness of loneliness and despair. It is pulling away from the Earth at about 3.8 centimeters a year! That does seem like a small number per year, but when the Earth was formed, the Moon sat at a distance of 14,000 miles. Where is it today? The Moon sits at a staggering 238,900 miles away. That means, that in the 4.6 billion years of the Earth's life span, the Moon has slipped away and additional 224,900 miles from Earth. 

How will the Moon Leaving Affect Us?

I know what most of you are thinking, "Fine then leave you stupid Moon, we don't need you we have street lights".  Well, yeah, most of us take the Moon for granted, and some of us do not even know what the Moon's role is in our survival here on Earth. 

The Moon and Earth work together. The Moon keeps our tides, weather, the Earth's rotation, and seasons stable! I bet now you are asking how does the Moon do all that for us. First, let us talk about the tides. We know that the tides are the main driving force pushing the Moon further away from the Earth. This concept can get complicated but I am going to make this as simple as possible. 

The Earth among everything else in the universe, exerts a gravitational pull, that is what is keeping the Moon here. On the other hand, the Moon is also exerting gravity on our planet and that force pulls on the oceans and creates a bulge of water at the equator. The Earth rotates on it's axis, faster than the Moon orbits the Earth. The bulge that is created from gravitational forces is slightly ahead of the Moon, forcing it in to be in a higher orbit. Think about it this way. As a kid you all probably had someone grab your arms and spin you around. Your feet come off of the ground and it feels like you will go flying away if they let you go. Well it is kind of like that with the Earth and Moon.

The Moon actually has an effect on how fast the Earth rotates. 4.6 billion years ago, the Moon was 14,000 miles away making the days on Earth a mere 5 hours long. So I can safely assume that every 4.6 billion years, our planet's days will increase 19 hours. Sadly, with the way the Moon is slipping away, our days will continue to slow down. 

The slowing planet is can be catastrophic. Think of spinning a basketball on your finger. You have to spin the ball fast in order to keep it stable. Once the ball slows down it begins to wobble. Keep this in mind for later. Speaking in terms of the Earth, the tilt of the axis determines the seasons. In the northern hemisphere, when it is tilted towards the Sun, that brings longer days and the summer season. On the other hand, when the axis is tilted away from the Sun, that brings shorter days and the winter season.  

Now back to the spinning ball on your finger. If the Earth were to slow down and become unstable, that will subject us to greater temperature changes, drastically different, on each end of the spectrum. Blazing hot temperatures in the summer and freezing temperatures in the winter. As humans, if we re around in the next 4.5 billion years, we are built to adapt to the changing temperatures. Grab a heavy duty coat and the best AC you can afford and stride through it.

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