File:Globular clusters in Abell 1689.jpg
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DescriptionGlobular clusters in Abell 1689.jpg |
English: Peering deep into the heart of the massive galaxy cluster Abell 1689, NASA's Hubble Space Telescope has nabbed more than 160,000 globular clusters, the largest population ever seen.
The image at left, taken by Hubble's Advanced Camera for Surveys, shows the numerous galaxies that make up Abell 1689. The box near the center outlines one of the regions sampled by Hubble, containing a rich collection of globular clusters. The monochromatic view at right, taken at visible wavelengths, zooms into the region packed with globular clusters. They appear as thousands of tiny white dots, which look like a blizzard of snowflakes. The larger white blobs are entire galaxies of stars. Globular clusters, dense collections of hundreds of thousands of stars, are the homesteaders of galaxies, containing some of the oldest surviving stars in the universe. Almost 95 percent of globular cluster formation occurred within the first 1 billion or 2 billion years after our universe was born in the big bang 13.7 billion years ago. Hubble's Advanced Camera for Surveys snapped these images from June 12 to 21, 2002, and between May 29 and July 8, 2010. |
Date | |
Source | http://hubblesite.org/newscenter/archive/releases/2013/36/image/e/ |
Author | NASA, ESA, and Z. Levay (STScI/AURA) |
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Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Unique ID of original document | xmp.did:E6133C0519206811808396D4100A57C6 |
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Software used | Adobe Photoshop CS6 (Macintosh) |