Video: Colliding Galaxies

Full-length video:
Colliding Galaxies
Runtime: 13 min 46 sec
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Intro to Colliding Galaxies
Runtime: 47 sec
Featured topic
This segment focuses on the central topic of the movie. In this clip, the Milky Way and Andromeda galaxies are on a collision course. View an animation of the events — billions of years in the future.
Collision Course
Runtime: 5 min 14 sec
Myths versus realities
Common misconceptions are presented in these segments.
Are All Galaxies Moving Apart?
Runtime: 43 sec
Will Our Solar System Survive?
Runtime: 43 sec
These segments function like graphic organizers. They compare and contrast facts presented in the movie.
Galactic Collisions
Runtime: 1 min 30 sec
Beauty shots
These short segments offer amazing images with interpretive text. 'Galactic Smashups' shows galaxies in the act of collisions, as captured by the Hubble Space Telescope.
The Mice (NGC 4676)
Runtime: 52 sec
Arp 273
Runtime: 1 min 15 sec
Galactic Smashups
Runtime: 2 min 35 sec


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Produced by the Space Telescope Science Institute, Office of Public Outreach

All images, illustrations, and videos courtesy of NASA, ESA, and STScI except:

  • Taurus constellation drawing from Firmamentum Sobiescianum sive Uranographia by Johannes Hevelius, courtesy of the United States Naval Observatory
  • Large galaxy collision animation courtesy of NASA/Goddard Space Flight Center and the Advanced Visualization Laboratory at the National Center for Supercomputing Applications, B. Robertson, L. Hernquist
  • Expanding universe animation courtesy of NASA
  • Andromeda Galaxy image courtesy of Digitized Sky Survey 2, acknowledgment: Davide De Martin (ESA/Hubble)
  • Animated pan through Milky Way courtesy of ESO/M. Kornmesser/ESA/Hubble
  • Animation of stars moving courtesy of Frank Summers (STScI)
  • Animation of random stellar orbits courtesy of NCSA, UCLA / Keck
  • Milky Way formation animation copyright Prof. Romain Teyssier (University of Zurich)
  • Major and minor galaxy merger animations copyright Dr. Benjamin Moster (Max-Planck-Institute for Astrophysics)
  • Fly-around animation of Sagittarius Dwarf Galaxy courtesy of David Law (Dunlap Institute, University of Toronto)
  • Animation of two colliding spiral galaxies courtesy of Volker Springel, Max-Planck-Institute for Astrophysics
  • Music courtesy of Associated Production Music

  • Written by Vanessa Thomas and John Stoke
  • Designed by John Godfrey and Marc Lussier

Video: Colliding Galaxies