
Coldest Natural Place of the Known Universe
Boomerang Nebula or Bow Tie Nebula is defined the coldest natural place of the known universe. It is in the Centaurus constellation and 5000 light years away from the Earth....
What is Quasar? Why Quasars are Extremely Luminous? A Quasar is an Active Galactic Nucleus of very high luminosity and the most an...