Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past

Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it’s revealing previously hidden chapters of Mars’s deep past

科學家確認2022年在撒哈拉沙漠發現的火星隕石Teghaza 001至少有41億年曆史，是已知最古老的火星岩石。其礦物顯示液態水曾滲入火星地幔與地殼，為研究火星早期宜居環境提供了罕見樣本。