+41 41 0
Published 7 years ago by kxh with 1 Comments

Join the Discussion

  • Auto Tier
  • All
  • 1
  • 2
  • 3
Post Comment
  • archmagician
    +1

    That we can detect and trace the source of something which lasted a fraction of a second at least 1.5 billion light-years away is mind boggling.

Here are some other snaps you may like...