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Recent Podcast
A Tour of Puppis A
A Tour of Puppis A
The destructive results of a powerful supernova explosion are seen in a delicate tapestry of X-ray light in this new image. (2014-09-15)


NGC 604 in 60 Seconds

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Narrator (Megan Watzke, CXC): NGC 604 is a divided neighborhood in the galaxy M33, where some 200 hot, young massive stars reside. In this composite image, X-ray data from Chandra are blue, while optical light data from Hubble are seen as red, green and yellow. Bubbles in the cooler gas and dust seen by Hubble have been generated by powerful stellar winds, which are then filled with hot, X-ray-emitting gas. Scientists find the amount of hot gas detected in the bubbles on the right side corresponds to the amount entirely powered by the winds from the 200 massive stars. The situation is different on the left side, where the amount of X-ray gas cannot explain the brightness of the X-ray emission. The bubbles on the left side appear to be much older and were likely created and powered by young stars and supernovas in the past.

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