s*****t 发帖数: 1994 | 1 X-Rays from the Galactic Core
Credit: Fred Baganoff (MIT), Mark Morris (UCLA), et al., CXC, NASA
Explanation: Using the orbiting Chandra X-ray Observatory, astronomers have taken this
long look at the core of our Milky Way galaxy, some 26,000 light-years away. The spectacular
false-color view spans about 130 light-years. It reveals an energetic region rich in x-ray
sources and high-lighted by the central source, Sagittarius A*, known to be a supermassive
black hole with 3 million times th |
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