A single rare meteorite has revealed the chemical fingerprint of a Moon-sized world that once orbited the young Sun before being destroyed in a catastrophic collision — a lost planet science never knew existed until it landed as a rock

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A one-pound rock found in the Sahara in 2019 has become evidence for something much larger than itself: a vanished planetary body from the first years of the solar system. The meteorite is Northwest Africa 12774, usually shortened to NWA 12774. It belongs to a rare class of volcanic meteorites called angrites, which are among [...] The post A single rare meteorite has revealed the chemical fingerprint of a Moon-sized world that once orbited the young Sun before being destroyed in a catastrophic collision — a lost planet science never knew existed until it landed as a rock appeared first on Space Daily .