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Mysterious Interstellar Rock

Fragments of the Hypatia stone, which has been found to predate the formation of the Solar...
Fragments of the Hypatia stone, which has been found to predate the formation of the Solar System or have interstellar origins(Credit: Dr Mario di Martino, INAF Osservatorio Astrofysico di Torino)

In 1996, scientists discovered what may be the strangest stone ever found, in an equally strange section of the Sahara desert that’s littered with unique yellow glass. Nicknamed the Hypatia stone, the relic was later found to be extraterrestrial in origin, but was unlike any known kind of meteorite or comet. A new study has deepened the mystery even further, finding that Hypatia could predate the formation of the Solar System, or have interstellar origins. read more