Mercury's internal structure. Cutaway computer artwork showing the different layers that make up the structure of the planet Mercury. Geologists estim

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Mercury's internal structure. Cutaway computer artwork showing the different layers that make up the structure of the planet Mercury. Geologists estimate that Mercury's core (grey) occupies about 42% of its volume; in comparison, for Earth this proportion is 17%. Recent research suggests that Mercury has a molten core with a mantle (orange) of silicates, 500-700 km thick, surrounding it. Mercury's crust (surface, brown) is believed to be 100-300 km thick based on data gathered from earth based observation, and the mariner 10 mission.

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Size: 4276px × 4133px
Photo credit: © DAVID A. HARDY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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