Average lookback time to formation for the field galaxies and cluster galaxies
Top - The average lookback time to formation for the field galaxies (hatched) and cluster galaxies (open). Bottom - the difference between the lookback time to formation for galaxies in the clusters and in the field.
Credit:International Gemini Observatory/NOIRLab/NSF/AURA
About the Image
Id: | geminiann06013c |
Type: | Chart |
Release date: | July 20, 2006, 1:28 p.m. |
Related announcements: | geminiann06013 |
Size: | 500 x 500 px |
About the Object
Category: | Illustrations |