Gravity - Sixty Symbols

2009-04-22

[public] 452K views, 5.15K likes, 62.0 dislikes audio only

What is the difference between big "G" and little "g"... And what is gravitational lensing? More physics and astronomy at http://www.sixtysymbols.com/

With Laurence Eaves, Mike Merrifield and Meghan Gray.