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- Title
A long time ago, in a galaxy not so far away.
- Authors
Kanipe, Jeff
- Abstract
The article reports the astronomical observations of the black hole inside Central galaxy Sgr A*. An overview of astronomical observations by Karl Jansky, and Harlow Shapley, and the latest observations of reflections of outbursts in the year 1950 by Michaelo Muno from the reflected x rays, is presented. The article presents the views of astronomers that the center of the galaxy has a black hole with a mass of three million suns surrendered with gas and dust, orbited by young stars.
- Subjects
SUPERMASSIVE black holes; X-ray telescopes; JANSKY, Karl Guthe, 1905-1950; SHAPLEY, Harlow, 1885-1972; ASTRONOMERS
- Publication
Nature, 2007, Vol 446, Issue 7136, p600
- ISSN
0028-0836
- Publication type
Article
- DOI
10.1038/446600a