Mysterious Ring in Space Could Be The First Known Intergalactic Supernova - ScienceAlert

The Universe isn't a chaotic free-for-all. Most of the stars are bound up in galaxies, which are separated by vast, almost unimaginable distances.

The Universe isn't a chaotic free-for-all. Most of the stars are bound up in galaxies, which are separated by vast, almost unimaginable distances. The space between the galaxies intergalactic space … [+4140 chars]

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