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Learn more about what happens when the moon passes between Earth and the sun!
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Searching for other planets like ours
Exoplanets are far away and hard to see. How do we look for them?
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Learn more about Earth's water in this video!
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Where Does the Solar System End?
The Oort Cloud!
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Where Does the Sun's Energy Come From?
Space Place in a Snap answers this important question!
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Earth's continents shift? How does that happen?
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Space Place in a Snap explains how your phone knows where to look for pizza.
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Space Place in a Snap tackles this fascinating question!
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How Did the Solar System Form?
The story starts about 4.6 billion years ago, with a cloud of stellar dust.
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The Sun’s activity follows an 11-year cycle. Learn more about it!
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Gallery of people and technology
Astronauts, rockets, and spacecraft to view or print.
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Get up close and personal with our own star.
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Galaxies, nebulae, and supernova remnants to view or print.
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Gallery of Solar System Images
Glorious planets and moons to view or print.
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View large images or print them.
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Space Place kids talk to NASA scientists and engineers.
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What's in the Heart of a Comet?
Marshmallow? Chewy caramel? Nuts?
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Dr. Marc answers questions about the solar system
Many things you always wondered about.
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