Why does Dark Matter Really Matter? (Closer to Truth)

# click the up-left corner to select videos from the playlist 

source: Closer To Truth    2016年9月29日
Dark matter, though it cannot be seen, may account for roughly one quarter of all the mass-energy of the universe. If it were not for the gravity of dark matter, galaxies could not hold together such that stars and planets would go flying off independently. But what is dark matter?
Click here to watch more interviews on dark matter http://bit.ly/2dpom1p
Click here to buy episodes or complete seasons of Closer To Truth http://bit.ly/1LUPlQS
For all of our video interviews please visit us at www.closertotruth.com

Saul Perlmutter - Why does Dark Matter Really Matter? 9:05
George Smoot - Why does Dark Matter Really Matter? 7:40
Lee Smolin - Why does Dark Matter Really Matter? 10:17

No comments: