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Salt and Hot Water around Massive Protostars

28 Jul 2020, 16:00 UTC
Salt and Hot Water around Massive Protostars
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Editor’s note: Astrobites is a graduate-student-run organization that digests astrophysical literature for undergraduate students. As part of the partnership between the AAS and astrobites, we occasionally repost astrobites content here at AAS Nova. We hope you enjoy this post from astrobites; the original can be viewed at astrobites.org.
Title: Salt, Hot Water, and Silicon Compounds Tracing Massive Twin Disks
Authors: Kei E. I. Tanaka et al.
First Author’s Institution: National Astronomical Observatory of Japan
Status: Submitted to ApJL
How Do Massive Stars Form?
This Hubble image shows N159, a nursery for massive star formation within one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. [ESA/Hubble & NASA]Massive stars have an outsized impact on their local environments and throughout entire galaxies, as they are important sources of ultraviolet radiation, turbulent energy, and heavy elements. While the formation of their low-mass counterparts is largely understood, the process of forming high-mass stars is still unclear. It is unknown whether massive protostars accrete through disks — a scaled-up version of low-mass star formation — or form through an otherwise distinct mechanism.
While recent theoretical work and simulations support this disk accretion model, detecting the presence of such disks is not free from ...

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