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NASA’s Perseverance Discovers ‘Freya Castle’: Mysterious Zebra-Striped Rock on Mars Sparks Scientific CuriosityNASA’s Perseverance rover recently captured a stunning image of a black-and-white striped rock on Mars, sparking excitement ...
ZME Science on MSN7mon
What are thundereggs? The rare, chalcedony-filled rocksThey look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...
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