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Andromeda active core
 

 

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Description This artist's concept shows a view across a mysterious disk of young, blue stars encircling a supermassive black hole at the core of the neighboring Andromeda Galaxy (M31). The region around the black hole is barely visible at the center of the disk. The background stars are the typical older, redder population of stars that inhabit the cores of most galaxies. Spectroscopic observations by the Hubble Space Telescope reveal that the blue light consists of more than 400 stars that formed in a burst of activity about 200 million years ago. The stars are tightly packed in a disk that is only a light-year across. Under the black hole's gravitational grip, the stars are traveling very fast: 2.2 million miles an hour (3.6 million kilometers an hour, or 1,000 kilometers a second) Object Names: M31, Andromeda Galaxy, NGC 224.
Date September 20, 2005 01:00 PM (EDT)
Source Hubble Telescope site
Author NASA, ESA and A. Schaller (for STScI)
Permission
(Reusing this file)
Public domain This file is in the public domain because it was created by NASA and ESA. Hubble material is copyright-free and may be freely used as in the public domain without fee, on the condition that NASA and ESA is credited as the source of the material. The material was created for NASA by Space Telescope Science Institute and for ESA by the Hubble European Space Agency Information Centre under Contract NAS5-26555. Copyright statement at hubblesite.org or copyright statement at spacetelescope.org.
Hubble 01.jpg


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EXIF data:
File name andromeda_active_core.jpg
Size, bytes 23603501
Mime type image/jpeg
Orientation of image 1
Image resolution in width direction 3000000/10000
Image resolution in height direction 3000000/10000
Unit of X and Y resolution 2
Color space information 1
Exif image width 5000
Exif image length 3750
Software used Adobe Photoshop CS2 Windows
Copyright holder Copyright 2005 by STScI/A.A.Schaller
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