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This 2004 image was produced by combining a dozen Chandra observations made of a 130 light year region in the center of the Milky Way. The colors represent low (red), medium (green) and high (blue) energy X-rays. Thanks to Chandra's unique resolving power, astronomers have now been able to identify thousands of point-like X-ray sources due to neutron stars, black holes, white dwarfs, foreground stars, and background galaxies. What remains is a diffuse X-ray glow extending from the upper left to the lower right, along the direction of the disk of the Galaxy.

The spectrum of the diffuse glow is consistent with a hot gas cloud that contains two components - 10-million-degree Celsius gas and 100-million-degree gas. The diffuse X-rays appear to be the brightest part of a ridge of X-ray emission that stretches for several thousand light years along the disk of the Galaxy. The extent of this ridge implies that the diffuse hot gas in this image is probably not being heated by the supermassive black hole at the center of the Milky Way, known to astronomers as "Sgr A*".

Image credit: NASA/CXC/UCLA/MIT/M.Muno et al.

#NASA #MarshallSpaceFlightCenter #MSFC #Marshall #ChandraXrayObservatory #cxo #galaxy #MilkyWay

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Morning Flight though a bush-fire smoke haze sunrise.

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