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stevennice.bsky.social
Sheldon Cooper
@stevennice.bsky.social
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astrojaz.bsky.social
may i offer you a space rose? 🌹🌌
The upper galaxy is labelled UGC 1810 by itself, but together with its collisional partners is known as Arp 273. The overall shape of the UGC 1810 -- in particular its blue outer ring -- is likely a result of wild and violent gravitational interactions. The blue color of the outer ring at the top is caused by massive stars that are blue hot and have formed only in the past few million years. The inner part of the upper galaxy -- itself an older spiral galaxy -- appears redder and threaded with cool filamentary dust. A few bright stars appear well in the foreground, unrelated to colliding galaxies, while several far-distant galaxies are visible in the background.
December 24, 2024 at 2:03 AM
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moon1over.bsky.social
December 24, 2024 at 7:00 AM
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terminallyol.bsky.social
December 23, 2024 at 2:49 PM
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moon1over.bsky.social
December 22, 2024 at 1:51 PM
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scipexplorist.bsky.social
Galactic Tranquillity…

NGC 976, a spiral galaxy about 150 million light-years away in Aries, appears tranquil in this image but it once hosted a violent supernova.

(Such explosions can briefly outshine entire galaxies)

(Credit: ESA/Hubble & NASA, D. Jones, A. Riess et al.)
December 23, 2024 at 11:55 AM