just–space: Hubble Unravels a Twisted Cosmic Knot : This Hubble image shows what happens when two galaxies become one. The twisted cosmic knot seen here is NGC 2623 — or Arp 243 — and is located about 250 million light-years away in the constellati
tags: Mars,
from: https://xxr4xx.tumblr.com/post/172712406423
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