Opals discovered on Mars could suggest the planet may have once been home to life, researchers suggest. The precious stone, known as a fire opal for its distinctive red, orange and yellow coloration, was discovered in a Martian meteorite.
Nakhla, the meteorite in which the stone was discovered, is currently owned by the Natural History Museum, located in London. Millions of years before landing it landed, the rocked was blasted off the Red Planet by a powerful strike from an unknown object. The object is named after a town in Egypt where the stone fell in 1911.
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