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The Atacama Large Millimeter/submillimeter Array (ALMA) have observed massive molecular gas outflows ejected by the Sculptor Galaxy (NGC 253). This may explain how starburst galaxies behave and why there is a scarcity of very massive galaxies in the Universe.
This video shows a three-dimensional visualisation of ALMA observations of cold carbon monoxide gas in the nearby starburst galaxy NGC 253 (The Sculptor Galaxy). The vertical axis shows velocity and the horizontal one distance across different parts of the central regions of the galaxy as the viewpoint rotates. The colours represent the intensity of the emission detected by ALMA, with pink being the strongest and red the weakest.
These data have been used to show that huge amounts of cool gas are being ejected from the central parts of this galaxy. This will make it more difficult for the next generation of stars to form.
Credit:
ALMA (ESO/NAOJ/NRAO)/Erik Rosolowsky
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