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By Ryan
TABLE OF CONTENT
• Introduction • What is Jupiter? • What is Pluto? • What is Mars? • What is Europa? • Glossary • About the Author
Introduction Ever since the first time a person set eyes on a planet, it has been an object of wonder, amazement and curiosity, like people are curious about aliens. But truthfully, we don't really know. Scientist say that the aliens live in Exoplanets that are far away from the eight planets.
Our Solar System The Exoplanet
These are Planets Sizes
Jupiter
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Now, I’m going go to talk about Jupiter. Jupiter is the largest planet, also the scientist saw the largest storm on Jupiter. If you saw a picture of Jupiter, you will probably see a thing called the Great Red Spot. It is 24,000 kilometers long, and Earth could probably fit in it. Its wind blows up to 400 kilometers per hour. Almost all the other planets can fit in Jupiter.
Jupiter doesn’t have a surface its basically hydrogen, and helium. It spins every 10-hours.
Pluto
Now, a lot of people think Pluto is a planet, but actually its not, although scientist named it 75 years ago. In the 1930s, they figured out that Pluto is not really a planet. It was demoted in 2006, the astronomers say that Pluto is not really like the other eight planets. It is actually a dwarf planet. Another Dwarf planet is Sieres located in the asteroid belt.
Pluto is pretty tiny. It has a moon called Charon; the moon is almost bigger than Pluto. It actually moves around Pluto every six and a half days. Pluto also has another two small moons called Hydra and Nix.
Since its so far from the sun, it is frozen and dark. Its covered with frozen nitrogen, methane, and carbon dioxide.
Europa Europa is made out of iron core, a rocky mantle and a surface ocean of salty water. On Earth, the ocean is deep enough to cover the surface Europa, and being far from the sun, the ocean surface is globally frozen over. Europa orbits Jupiter every 3.5 days, just like Earth's Moon.
Jupiter’s strong gravity pull makes Europa warm. The moon Europa was found by Simon Marius in December 1609. Galileo discovered Europa on January 8 1610. The discovery, along with three other Jovian moons, was the first moon discovered orbiting a planet. But scientist had been unable to identify the orbiting moon until it was night. Galileo originally called Jupiter's moons the Medicean planets. Scientist figured out that there was a story about Europa. Europa was adopted from Zeus, the Greek of the Roman god Jupiter.
Europa was so happy that a monster gave a woman a flower and rode upon its back. Zeus tried to have his opportunity to go with her into the ocean to the island of Crete, where he transformed back into his true shape. Europa had born Zeus many children, including Minos.
I’m sorry everybody, that's all I can talk about. I hope you guys enjoy this Science work.
Glossary •
Exoplanet- Planets that are far away from our solar system.
• Helium-
Is a chemical with symbol He and atomic number. It is a colorless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table.
• Jovian is a formal god of Jupiter.
About the Author
Ryan was born in September 28, 2003. He likes to listen to music, and swim. He is from San Francisco. His dream is to become an author and become a famous swimmer. He hopes you enjoyed his story about planets!