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Asteroids, Comets, and Meteoroids
They’re leftover rocks from when the planets formed. And they hold clues to how the solar system beg... more |
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The Planets of Our Solar System
Venus is a sweltering, spinning rock. Jupiter is a huge ball of gas. But they are both planets. Get ... more |
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The Dwarf Planets
They’re round and orbit the Sun. But they’re not planets. What makes a dwarf planet different? Get u... more |