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Make a mask and pretend to be your favorite planet in our solar system!
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Astronomers may have found a planet without a sun!
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How Many Moons Does Each Planet Have?
We have one, but some planets have dozens.
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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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Find definitions of space and Earth science terms
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And how does it help us find new planets?
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The smallest planet in our solar system
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PDFs of Space Place activities
Print-ready, downloadable PDFs of fun hands-on activities.
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Glossary for "Sign Here!" words
Defines words in "Sign Here" game.
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A transit is when one object in space crosses in front of another object in space. The Moon transits the Sun during an eclipse, but did you know that other objects can transit, too? Learn more in this article.
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Searching for Other Planets Like Ours
Exoplanets are far away and hard to see. How do we look for them?