BBC Time: Earthtime

Segment 5 (10:11 min)

2 thoughts on “BBC Time: Earthtime

  1. Wow. I am still trying to digest the concept of earth time having a lifespan of 10 billion years and we are at this moment about half way there. It’s so incredible…

  2. What’s really crazy is that we humans have appeared as just in blip in the past few thousand years or so. That’s really odd to think about.