Results 191 to 200 of about 370,839 (289)

Dark matter interpretation of the Fermi-LAT observations toward the outer halo of M31. [PDF]

open access: yesPhys Rev D, 2021
Karwin CM   +5 more
europepmc   +1 more source

First Extragalactic Detection of Thermal Hydroxyl (OH) 18 cm Emission in M31 Reveals Abundant CO-faint Molecular Gas

open access: yesThe Astrophysical Journal
The most abundant interstellar molecule, molecular hydrogen (H _2 ), is practically invisible in cold molecular clouds. Astronomers typically use carbon monoxide (CO) to trace the bulk distribution and mass of H _2 in our galaxy and many others.
Michael P. Busch
doaj   +1 more source

Apocalypse When? No Certainty of a Milky Way -- Andromeda Collision [PDF]

open access: yesarXiv
It is commonly believed that our own Milky Way is on a collision course with the neighbouring Andromeda galaxy. As a result of their merger, predicted in around five billion years, the two large spiral galaxies that define the present Local Group would form a new elliptical galaxy.
arxiv  

The Angstrom Project: a microlensing survey of the structure and composition of the bulge of the Andromeda galaxy [PDF]

open access: bronze, 2006
E. Kerins   +7 more
openalex   +1 more source

Observations of a Magellanic Corona. [PDF]

open access: yesNature, 2022
Krishnarao D   +8 more
europepmc   +1 more source

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