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  • ...of 89±19 km/sec, with more accurate measurements by the Hubble Space Telescope, showing 80.4±4.8 km/sec.
    22 KB (3,270 words) - 20:15, 4 February 2018
  • [[File:ARP 261 picture by Very Large Telescope.jpg|thumb|250px|Interacting galaxy pair Arp 261.]] ...jpg|thumb|right|Arp 293. NGC 6285 and 6286 interacting galaxies in 32 inch telescope. Courtesy: Joseph D. Schulman]]
    76 KB (10,108 words) - 13:04, 4 February 2018
  • Newton also built the first practical [[reflecting telescope]] and developed a sophisticated [[Theory of Colours|theory of colour]] base ...com/?id=KAWwzHlDVksC&dq=history+of+the+telescope |title=The History of the Telescope|page=74 |isbn=978-0-486-43265-6|last=King|first= Henry C|date=2003}}</ref>
    109 KB (15,996 words) - 15:04, 19 July 2017
  • ...ic astronomy 500 years ago. I hope this book will be accepted as a better telescope. If all of this considerable body of work is dismissed as error, what does
    40 KB (4,184 words) - 06:53, 2 January 2017
  • ...llfoundation.org/Newsletter_2013_Spring.pdf |title=The James Clerk Maxwell Telescope |publisher=James Clerk Maxwell Foundation |accessdate=12 June 2017 |deadurl
    78 KB (11,137 words) - 15:23, 19 July 2017
  • ...'' and ''e'' are mirrors. ''e' '' is a fine adjustment mirror. ''f'' is a telescope.]] ...1/20 of the fringe spacing to the left and to the right of the step. (d) A telescope has been set to view only the central dark band around the mirror step. Not
    82 KB (12,123 words) - 14:58, 19 July 2017

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