The 25 Biggest Turning Points In Earth’s History| BBC.com

Standard
25 Biggest Turning Point In Earth's History

Source: NASA via commons.m.wikimedia.org

“Our planet has existed for 4.5 billion years, and it has been a busy few eons. Here are the 25 biggest milestones in Earth’s history. From leaps forward in evolution to devastating asteroid impacts, these were the turning points that shaped our world.”

Read more:

http://www.bbc.com/earth/bespoke/story/20150123-earths-25-biggest-turning-points/index.html

Advertisements

Comments are closed.