This is a very neat result: using ALMA, a team surveyed 39 massive cosmic clouds, or "star nurseries”… and found in the order of ~stellar seeds… and 99% of them lacked the mass to give birth to massive stars. It seems that core density might be more critical than mass for high-mass star formation.

https://almaobservatory.org/en/press-releases/alma-unlocks-secrets-of-the-universe-revealing-the-hidden-seeds-of-giant-stars/

#ALMA #AlmaObservatory #ProtoStars #MolecularClouds #MolecularCloudCores #StarFormation #InfraredDarkClouds #IDC #IDCs

Subject: molecular cloud
Name: PGCC G114.69+14.47
Best Equatorial Coordinates (J2000): 22:38:59.18, +75:11:37.3
https://skyview.gsfc.nasa.gov/userimages/skv27436771758186_1.html
https://skyview.gsfc.nasa.gov/userimages/skv27436771758186_2.html
https://skyview.gsfc.nasa.gov/userimages/skv27436771758186_3.html
https://skyview.gsfc.nasa.gov/userimages/skv27436771758186_4.html
https://skyview.gsfc.nasa.gov/userimages/skv27436771758186_5.html
https://skyview.gsfc.nasa.gov/userimages/skv27437765458094_rgb.html

Spectral bands: 2MASS-J, WISE 3.4, 4.6, 12, 22 micrometers
Credits: SkyView, Planck Galactic Cold Clumps (Planck Collaboration)

#molecularclouds
#stellarnurseries

Referenced link: https://phys.org/news/2022-12-snr-g298600-supernova-remnant-interacting.html
Discuss on https://discu.eu/q/https://phys.org/news/2022-12-snr-g298600-supernova-remnant-interacting.html

Originally posted by Phys.org / @physorg_com@twitter.com: https://twitter.com/physorg_com/status/1602677951132221442#m

SNR G298.6−0.0 is an old #supernova remnant interacting with #molecularclouds, study finds @arxiv https://arxiv.org/abs/2212.01851 https://phys.org/news/2022-12-snr-g298600-supernova-remnant-interacting.html