File:Luminous Black Holes in GOODS Field.jpg
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DescriptionLuminous Black Holes in GOODS Field.jpg |
English: Astronomers have probed the deep sky with NASA's three Great Observatories for hidden black holes and come to the conclusion that most black holes cannot be seen in visible images. The image on the left from NASA's Hubble Space Telescope shows 1/200 of the full field of sky known as the Great Observatories Origins Deep Survey, or GOODS. It highlights three X-ray sources (circled) and many other galaxies. The image on the right is made up of data from Hubble and NASA's Spitzer Space Telescope and shows the same region. The two "hard" X-ray sources (sources detected only at the shortest X-ray wavelengths and indicated here with yellow circles) are very faint in the visible but much more luminous in the infrared. This data suggests that the X-ray sources are black holes hidden behind a screen of dust. |
Date | (released) |
Source | http://www.spitzer.caltech.edu/images/1248-ssc2004-10c-Hidden-Black-Holes |
Author | NASA/JPL-Caltech/Yale |
Permission (Reusing this file) |
http://www.spitzer.caltech.edu/info/18-Image-Use-Policy |
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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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current | 18:56, 21 June 2011 | 1,500 × 750 (1.24 MB) | Spitzersteph (talk | contribs) |
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Image title | Astronomers have probed the deep sky with NASA's three Great Observatories for hidden black holes and come to the conclusion that most black holes cannot be seen in visible images. The image on the left from NASA's Hubble Space Telescope shows 1/200 of the full field of sky known as the Great Observatories Origins Deep Survey, or GOODS. It highlights three X-ray sources (circled) and many other galaxies. The image on the right is made up of data from Hubble and NASA's Spitzer Space Telescope and shows the same region. The two "hard" X-ray sources (sources detected only at the shortest X-ray wavelengths and indicated here with yellow circles) are very faint in the visible but much more luminous in the infrared. This data suggests that the X-ray sources are black holes hidden behind a screen of dust. |
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Author | Spitzer Space Telescope |
Copyright holder | http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml |
Width | 1,500 px |
Height | 750 px |
Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS3 Macintosh |
File change date and time | 14:40, 5 June 2009 |
Color space | Uncalibrated |