Hubble Space Telescope located hidden LSB galaxy

Q.  Hubble Space Telescope has spotted a galaxy hidden in the hight sky which is a LSB galaxy. What does LSB stand for?
- Published on 03 May 16

a. Low Surface Brightness
b. Light Surface Brightness
c. Little Surface Brightness
d. None of the above

ANSWER: Low Surface Brightness
 
Hubble Space Telescope has spotted a galaxy hidden in the night sky located 110 million light years away in the constellation of Pisces (The Fish).
  • Galaxy UGC 477 is a low surface brightness galaxy
  • This LSB galaxy was first discovered in 1986 and proposed in 1976 by Mike Disney
  • MSB galaxies are more diffusely distributed than others like the Milky Way and Andromeda
  • Most of the matter present in the LSB galaxies is in the form of hydrogen gas rather than stars
  • These galaxies have surface brightness close to 250 times fainter than the night sky
  • Matter present in the LSB galaxies is in form of hydrogen gas rather than stars
  • Unlike normal spiral galaxies, the centres of LSB galaxies do not have large number of stars

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