Would it be surprising to find a rocky planet that dates back to the very early Universe? It should be. The early Universe lacked the heavier elements necessary to form rocky planets. But astronomers have found one, right here in the Milky Way. After the Big Bang, the Universe consisted of nothing but light elements …
Continue reading "One of the Oldest Stars in the Galaxy has a Planet. Rocky Planets Were Forming at Nearly the Beginning of the Universe"
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