A Chandra X-ray image of W49B showing the silicon in blue.
The Chandra X-ray Observatory is one of NASA's "Great Observatories" along with the Hubble Space Telescope, the Spitizer Space Telescope, and the now deorbited Compton Gamma Ray Observatory.
Read more about W49B here.
February 14, 2013 10:31 AM PST
Photo by: NSF/NRAO/VLA
| Caption by: James Martin
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