Behind the Scenes: When Galaxies Collide (Felicia Day, Sean Astin)

IRrelevant Astronomy HD by NASA / SSC-IPAC

Oct 26, 2009Science & Medicine

Felicia Day explains some of the science behind galactic "collisions," including the upcoming collision between the galaxy Andromeda and our own galaxy, in this mock behind-the-scenes look at the making of an educational...

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