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Venus may have an underground magma ocean spanning the whole planet

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By Leah Crane Venus and Earth share many similaritiesNASA/Jet Propulsion Laboratory-CaltechVenus may be hiding a sea of magma under its surface that could help us learn about Earth’s deep past. Venus and Earth are a similar size, made of similar materials and are next-door neighbours in the solar system. When these planets first formed, they…

By Leah Crane

Venus

Venus and Earth share many similarities

NASA/Jet Propulsion Laboratory-Caltech

Venus may be hiding a sea of magma under its surface that could help us learn about Earth’s deep past.

Venus and Earth are a similar size, made of similar materials and are next-door neighbours in the solar system. When these planets first formed, they were probably both molten, with what might have been magma oceans on their surface.

Over billions of years, their crusts solidified, leaving a layer of magma underneath a stony shell. Earth’s magma ocean hardened into rock about 2 billion years ago, but Venus’s may remain. …

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