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The Search for Hidden Black Holes

Submit on Thursday, July 27th, 2006 10:36

Artist impression of dust around a black hole. Image credit: ESAClick to enlarge
Look into the sky with X-ray instruments, and you’ll see a background radiation in all directions. Astronomers think these X-rays are produced by the supermassive black holes at the centres of most galaxies. But astronomers can’t find these black holes, which should be bright in the most energetic range of the electromagnetic spectrum. Maybe they’re hiding; shrouded in thick clouds of gas and dust. Or maybe something else is generating all the X-ray background radiation.

This entry was posted on Thursday, July 27th, 2006 at 10:36 am and is filed under Black Holes. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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