4-billion-year-old mineral offers clues about Mars’ steaming hot past
Over four billion years ago, the Red Planet may have been red hot. A 4.45-billion-year-old grain of the mineral zircon in a Martian meteorite found in the Sahara Desert in…
Over four billion years ago, the Red Planet may have been red hot. A 4.45-billion-year-old grain of the mineral zircon in a Martian meteorite found in the Sahara Desert in…