NGC 5746: Detection of hot halo gets theory out of hot water

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Credit: X-ray: NASACXCU. CopenhagenK.Pedersen et al Optical: Palomar DSS
Credit: X-ray: NASA/CXC/U. Copenhagen/K.Pedersen et al; Optical: Palomar DSS

Scientists using NASA's Chandra X-ray Observatory have detected an extensive halo of hot gas around a quiescent spiral galaxy. This discovery is evidence that galaxies like our Milky Way are still accumulating matter from the gradual inflow of intergalactic gas.


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