MAKE A MEME
View Large Image
| View Original: | Sloan_Digit_Sky_Survey_1.25_Declination_Slice_2013_Data.jpg (892x887) | |||
| Download: | Original | Medium | Small | Thumb |
| Courtesy of: | commons.wikimedia.org | More Like This | ||
| Keywords: Sloan Digit Sky Survey 1.25 Declination Slice 2013 Data.jpg Uploaded with en wp UW marker 2014 03 18 Slices through the SDSS 3-dimensional map of the distribution of galaxies Earth is at the center and each point represents a galaxy typically containing about 100 billion stars Galaxies are colored according to the ages of their stars with the redder more strongly clustered points showing galaxies that are made of older stars The outer circle is at a distance of two billion light years The region between the wedges was not mapped by the SDSS because dust in our own Galaxy obscures the view of the distant universe in these directions Both slices contain all galaxies within -1 25 and 1 25 degrees declination Credit M Blanton and the Sloan Digital Sky Survey http //www sdss org/ M Blanton and the Sloan Digital Sky Survey PD-USGov Uncategorized 2015 March 27 | ||||
