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An orbit is a regular, repeating path that one object in space takes around another one.
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How Do We Launch Things Into Space?
You need a rocket with enough fuel to escape Earth’s gravity!
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Find definitions of space and Earth science terms
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A satellite is anything that orbits a planet or a star.
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How Long is a Year on Other Planets?
You probably know that a year is 365 days here on Earth. But did you know that on Mercury you’d have a birthday every 88 days? Read this article to find out how long it takes all the planets in our solar system to make a trip around the Sun.
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Where Do Old Satellites Go When They Die?
They don't last forever. So do they all become 'space junk'?
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Learn all about comets!
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What is an exoplanet? And how do we know they're out there?
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Glossary for "Sign Here!" words
Defines words in "Sign Here" game.
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How Is the Sun Completely Blocked in an Eclipse?
It all has to do with the distance between Earth and the sun and Earth and the moon.
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Launch a rocket from a spinning planet
Wind up that launch pad!
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We can use a planet’s gravitational pull like a scale!
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