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  • * [[Messier 87]], a giant elliptical galaxy in the Virgo Cluster
    486 bytes (67 words) - 12:28, 5 February 2018
  • ...mple of a major interaction is a galactic collision, which may lead to a [[galaxy merger]]. ...xy (the [[Sagittarius Dwarf Spheroidal Galaxy|Sagittarius Dwarf Elliptical Galaxy]] into the [[Milky Way]] being an example of the latter). That can possibly
    12 KB (1,640 words) - 19:51, 4 February 2018
  • {{Infobox galaxy | title=The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances
    29 KB (4,015 words) - 12:30, 5 February 2018
  • [[Image:Arp87full.jpg|thumb|300px|Colliding [[spiral galaxy]] pair [[NGC 3808]]A and NGC 3808B (Arp 87).]] ...24).jpg|thumb|300px|[[NGC 6621]]/[[NGC 6622]] (Arp 81), a pair of [[spiral galaxy|spiral galaxies]] 100 million years after their colliding.]]
    76 KB (10,108 words) - 13:04, 4 February 2018
  • == Host galaxy == 3C 273 lies at the center of a giant [[elliptical galaxy]] with an [[apparent magnitude]] of 16 and an apparent size of 30 [[arc sec
    11 KB (1,478 words) - 12:28, 5 February 2018
  • ...]] lie within it; thus, almost all of the 3,000 objects in the image are [[galaxy|galaxies]], some of which are among the youngest and most distant known. By ...were installed encouraged attempts to obtain very deep images of distant [[Galaxy|galaxies]].]]
    33 KB (4,612 words) - 12:32, 5 February 2018
  • .../> which had the effect of stimulating Newton to work out a proof that the elliptical form of planetary orbits would result from a centripetal force inversely pr ...p=391–2}} After the exchanges with Hooke, Newton worked out proof that the elliptical form of planetary orbits would result from a centripetal force inversely pr
    109 KB (15,996 words) - 15:04, 19 July 2017