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

November 23 2009, 8:32pm

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 a NASA educational video. Starring Felicia Day ("The Guild," "Do You Wanna Date My Avatar") and Sean Astin ("Lord of the Rings" Trilogy, "Special Agent Oso").

To view more comedic (but educational!) NASA videos featuring Sean Astin, Mark Hamill, Linda Hamilton, Dean Stockwell, George Takei, Ed Wasser, Betty White and more, visit:

NASA's Spitzer Space Telescope