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Meteorites from Mars help scientists understand the red planet’s interior

  • Written by James Day, Professor of Geosciences, University of California, San Diego
Meteorites from Mars help scientists understand the red planet’s interiorA Martian meteorite in cross-polarized light. This meteorite is dominated by the mineral olivine. Each grain is about half a millimeter across.James Day

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars.

It’s not that...

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