Simulated images of merging galaxies
These illustrations demonstrate how two galaxies coalesce in a slow dance that lasts about a billion years.
The graphics are taken from a simulation astronomers created to determine how long it takes for galaxies to complete a merger. By understanding the time it takes for two merging systems to become one normal-looking galaxy, astronomers can calculate how many galaxy encounters happen over time. This information yields important clues about how galaxies have changed throughout the Universe's history.
P. Jonsson (Harvard-Smithsonian Center for Astrophysics, USA), G. Novak (Princeton University, USA), and T.J. Cox (Carnegie Observatories, Pasadena, Calif., USA)
About the Image
|Release date:||27 October 2011, 17:19|
|Size:||3600 x 2400 px|
About the Object
|Type:||• Unspecified : Galaxy : Type : Interacting|
• X - Illustration Images