View Full Version : Doughnut Around a Black Hole

2005-Sep-07, 03:07 PM
SUMMARY: An international team of astronomers have found new evidence that massive black holes are surrounded by a torus (aka a doughnut) of gas and dust that can block our view if seen edge-on. The latest observations were made using the Integral and XMM-Newton space observatories, which looked at NGC 4388; and edge-on spiral galaxy located 65 million light years away. The team was able to determine the thickness and composition of the torus by looking through it at the radiation coming out of the supermassive black hole.

View full article (http://www.universetoday.com/am/publish/doughnut_found_around_black_hole.html)
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