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and dark energy, too!
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Gravity is the force by which a planet or other body draws objects toward its center.
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What Is the James Webb Space Telescope?
The James Webb Space Telescope is the largest, most powerful space telescope ever built.
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The answer isn't so simple...
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Learn more about what these groups of stars can (and can’t) tell us about our place in the universe.
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Learn more about this useful focused light source!
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It all depends on what the spacecraft will do! Read on to learn more.
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A satellite is anything that orbits a planet or a star.
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Learn about the Moon's phases!
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What causes this beautiful light show?
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Why do we call it that?
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An orbit is a regular, repeating path that one object in space takes around another one.
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