File:"Black" Black Holes- Chandra Uncovers New Evidence For Event Horizons Surrounding Black Holes (2001-blackholes - blackhole five wb).jpg

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"Black"_Black_Holes-_Chandra_Uncovers_New_Evidence_For_Event_Horizons_Surrounding_Black_Holes_(2001-blackholes_-_blackhole_five_wb).jpg (504 × 504 pixels, file size: 62 KB, MIME type: image/jpeg)

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Top: This illustration shows gas from the companion star is drawn by gravity onto the black hole in a swirling pattern. As the gas nears the event horizon, a strong gravitational redshift makes it appear redder and dimmer.

Summary

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Description
English: Top: This illustration shows gas from the companion star is drawn by gravity onto the black hole in a swirling pattern. As the gas nears the event horizon, a strong gravitational redshift makes it appear redder and dimmer. When the gas finally crosses the event horizon, it disappears from view. Because a black hole has no surface, the central region is black. Bottom: As above, gas from the companion star flows down onto the collapsed star--in this case a neutron star instead of a black hole. As the gas approaches the neutron star, a similar gravitational redshift makes the gas appear redder and dimmer. However, when the gas strikes the solid surface of the neutron star, it glows brightly.
Date 11 January 2001 (upload date)
Source "Black" Black Holes: Chandra Uncovers New Evidence For Event Horizons Surrounding Black Holes
Author Credit: NASA/CfA/M. Garcia et al.)
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Chandra X-ray Observatory
Credit and attribution belongs to the mission team, if not already specified in the "author" row

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Public domain 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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