Before Earth, there was “proto Earth,” a primitive hunk of rock that formed four and a half billion years ago. It was drastically different to the Earth we know today, heaving with lava and rock all ...
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DESI side project finds destroyed exoplanets look chemically like Earth's neighborhood
DESI white dwarf survey finds 12 destroyed rocky exoplanets with Earth-like elemental compositions — iron, magnesium, silicon ...
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