Elemental origins glimpsed in 12 beellion year old supernova
Scientists have found the remnants of two supernovae that appear to have occurred in the universe’s infancy, shedding new light (pardon the pun) on reality’s formative years and the origins of matter. The two stellar explosions are only visible because the stars involved were giants. One, the romantically-named SN 2213-1745, may …
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The early universe
Was far more compact than it is today. Everything was closer together and stars were popping like popcorn and spewing a wide variety of totally awesome stuff. The stars specific makeup and the dust and planets around it formed a wide variety of materials when it popped - hence all the variation. Trillions of stars have popped since the beginning and the earth has been hit by the resultant wave or drifted through the remnants of a large number of them over time.
Re: The early universe
> Everything was closer together
Nah not really. Since inflation ended, the universe has practically not expanded.
Re: The early universe
"Nah not really. Since inflation ended, the universe has practically not expanded."
Trolling, joking or do you really believe that?
Re: The early universe
couldn't have got very far in ~6000 years, could it?
"more common than previously thought"
I hear that phrase from astronomers a lot: (blah) is more common than previously thought. Big old supernovas, exoplanets, even matter itself. It's a pretty safe bet that there is a LOT of stuff out there. Mindblowing.
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