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Internal structure of Mars, artwork

Internal structure of Mars, artwork

C018/0288

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Credit

CLAUS LUNAU / SCIENCE PHOTO LIBRARY CLAUS LUNAU / SCIENCE PHOTO LIBRARY

Caption

Internal structure of Mars, cutaway artwork. Mars is a rocky planet. It has a partially molten core of iron and iron sulphides (central sphere). Overlying the core is a thick mantle (orange), which underlies the crust (this upper layer). The crust of Mars is around 100 kilometres thick, compared to the 10 to 70 kilometre-thick crust of Earth. The lack of a completely molten region around the core means that Mars does not generate a uniform strong magnetic field, which would have protected the planet's atmosphere from the solar wind. It is thought the atmosphere on Mars was stripped away after the core cooled.

Release details

Model release not required. Property release not required.

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