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Create the page "NGC 523" on this wiki! See also the search results found.

• Atlas of Peculiar Galaxies
  ...p87full.jpg|thumb|300px|Colliding [[spiral galaxy]] pair [[NGC 3808]]A and NGC 3808B (Arp 87).]] ...le Interacting Galaxy NGC 6621 (2008-04-24).jpg|thumb|300px|[[NGC 6621]]/[[NGC 6622]] (Arp 81), a pair of [[spiral galaxy|spiral galaxies]] 100 million ye
  76 KB (10,108 words) - 13:04, 4 February 2018
• Hubble's law
  ...de by [[Hubble]] in 1929.<ref>Baade W (1944) The resolution of Messier 32, NGC 205, and the central region of the Andromeda nebula. ApJ 100 137-146</ref>< |volume=523 |issue=5 |pages=423
  62 KB (9,085 words) - 20:13, 4 February 2018