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