17July2019

Cosmic Train Wrecks – Harvard-Smithsonian Center for Astrophysics

“Observatory Nights” public lecture series from the Harvard-Smithsonian Center for Astrophysics Lauranne Lanz, CfA Five billion years from now, our Milky Way galaxy will collide with the Andromeda galaxy. This will be an era of both destruction and creation as the galaxies lose their separate identities and merge into one.. December 15, 2011

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