how long ago was the big bang

Question: how long ago was the big bang
- Keywords:
  big bang,
  earth,
  universe
Asked by Emily White to Claire, Liad, Ruth, Ryan, Mako on 21 Jun 2015.
- Ryan Cheale answered on 21 Jun 2015:
  
  A very very long time ago, 13.3 billion years ago! Modern humans have only been around for a 100,000 years for some perspective!

Question: how long ago was the big bang