Tag: SPACE

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The Moon May Have Formed From a Molten Magma Ocean on Earth

Our moon is a strange one. Most of the moons in our solar system are captured asteroids, but ours is different. Scientists have long believed that our moon was formed when a giant asteroid crashed into the Earth billions of years ago. That impact ejected tons of debris into Earth’s orbit, where it eventually coalesced into the…
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Whirling ‘Collapsar’ Stars Gave Universe Its Gold

Most of the universe’s gold, uranium and other heavy elements are generated from rapidly whirling collapsing stars, a new study finds. The universe’s three lightest elements — hydrogen, helium and lithium — were born in the earliest moments of the cosmos, just a minute or so after the Big Bang. Elements up to iron on the…
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