Galactic Bubbles: Unexpected Complexity of the Milky Way’s Mysterious Structures — Fresh look at old data revea |
was able to show that the shells of these structures – dubbed “eRosita bubbles” after being found by the eRosita X-ray telescope – are more complex than previously thought., eRosita bubbles are larger and more energetic than their counterparts.
Previous studies had assumed that these bubbles were heated by the shock of gas as it blows outward from the galaxy, but this paper’s main findings suggest the temperature of the gas within the bubbles isn’t significantly different from the area outside of it. Gupta and Smita Mathur, co-author of the study and a professor of astronomy at Ohio State, did their analysis using observations made by the Suzaku satellite, a collaborative mission betweenBy analyzing 230 archival observations made between 2005 and 2014, researchers were able to characterize the diffuse emission – the electromagnetic radiation from very low-density gas – of the galactic bubbles, as well as the other hot gases that surround them.
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