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Galactic hail: The origin of the high-velocity cloud complex C

Fraternali, F; Marasco, A.; Armillotta, Lucia; Marinacci, F


High-velocity clouds consist of cold gas that appears to be raining down from the halo to the disc of the Milky Way. Over the past 50 years, two competing scenarios have attributed their origin either to gas accretion from outside the Galaxy or to circulation of gas from the Galactic disc powered by supernova feedback (galactic fountain). Here, we show that both mechanisms are simultaneously at work. We use a new galactic fountain model combined with high-resolution hydrodynamical simulations....[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society: Letters
DOI: 10.1093/mnrasl/slu182
Access Rights: Open Access


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