Earth
Earth had water even before the collision that made the moon
Comparing moon rocks to volcanic ones from the ocean floor shows that Earth鈥檚 water may have stuck around even through the giant impact that formed the moon
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Space
A mountain range on Saturn鈥檚 moon Iapetus may be a former ring
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Space
The moon may have formed in a vaporised, doughnut-shaped Earth
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Space
We may have already found signs of alien microbes on Enceladus
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Space
The universe may be full of ex-moons flung from their home worlds
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Space
Earth was smashed by a rock the size of Mars to make the moon
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Space
The tiny space rock New Horizons is headed for may have a moon
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Space
Mysterious streaks seen on Saturn鈥檚 moons could be ancient rings
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Space
Jupiter鈥檚 icy moon Europa has a hidden 鈥榗onveyer belt鈥� of heat
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