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Why are Planets Round?
Have you ever wondered why planets are round? In this article, you can find out!
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What is in Space?
When you look into the night sky, you can see stars, sometimes the moon, and if you're lucky, some of the brighter planets. However, in this book from NASA, you can learn about every…
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Search for Other Earths
Do you want to know what scientists are doing to look for other planets like Earth all around the universe? In this article from National Geographic, you can read all about it!
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How Many Planets are in Our Solar System?
When were the planets first discovered? How did astronomers decide what were planets and what weren't? Who discovered the asteroid belt? In this video, you can find out the answers…
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Smog on Titan Moon May Hold Ingredients For Life, New Study Says
Do you believe life exists on other planets in our Solar System? If not, could there be life outside of planet Earth someday? Read this article to find out more.
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A Puzzling Parallax
Do you know how scientists measure the distance of stars and planets? Put your explorer hat on and do just that!
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Geologic Landforms Seen on Aerial Photos
Did you know that the geology of the planets is just as interesting--perhaps more so--than that of the Earth? In this activity, see what you can learn from pictures taken from the sky!
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Building Blocks of Planets
In this activity, you can learn all about how planets form, from the formation of chondrite meteorites, to the accumulation of dust particles into larger clusters!
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Robots may one day head into Mars underground
Did you know that Mars, one of our neighboring planets, is thought to have once held the building blocks for life? However, one thing scientists haven't been able to do yet is look u…
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A Planet Made of Diamond, Twice the Size of Earth
Imagine a planet make of diamands! That is just what scientists have found! Learn more by reading this article.
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Radar reveals traces of monstrous Martian flood millions of years ago
Learn how new evidence suggests that Mars may have had huge floods!
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Scientists Studying Moon Reflected Light Have Discovered Life on Earth
In this article you will learn how scientists 'discovered' life on Earth by looking at the moon!
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Mars Rover: Opportunity
In this video you will learn all about one of the Mars Rovers and the planet it is exploring!
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Dwarf Planet Eris Is Icy Double of Pluto
In this article you will learn about Pluto's twin and why it's important to our solar system!
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Earth Escapes Obliteration by Comet
In this article, you will learn about a comet that "almost" hit our planet Earth.
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King of the Ice Dwarfs
Did you know that Pluto used to be a planet? In this article you will learn more about this demoted celestial body.
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Why does Saturn have Rings?
Have you ever wondered why the planet Saturn has rings? In this article, you will explore some of the theories about what Saturn's rings are made of and how they came to be.
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Planet X-treme Weather
Sometimes Earth has extreme weather, but is there anywhere in the Solar System where the weather is better? Read this article to learn more.
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How Comets In Distant Solar Systems Could Deliver Oceans to Exoplanets
How did the Earth first get water? Can other planets do the same thing? In this article, you can find out!
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Cosmic Journeys: The Search For Earth-Like Planets
The search for Earth-like planets is reaching a fever-pitch. Does the evidence so far help shed light on the ancient question: Is the galaxy filled with life, or is Earth just a beaut…
Planets
