If it's not seen as much, that probably means the green material is heavier than iron. It's less common, but large enough stars can fuse even heavier elements. That's where all those elements on Earth came from in the first place.
Ok so from what I can understand it blew off approximately a million years ago, and now it’s about 8.8k ly away. But where was it in relation to earth when it exploded?
Somewhen in there are creatures we’d really get along with were it not for the 58.71M light years between our galaxies, and the unlikelihood we both exist as simultaneous civilizations.
phys.org
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