Tag: Galaxy
NUV-blue spirals show star-forming outer disks
How some red spiral galaxies retain star formation in their outer regions
Deep Chandra observations of a relaxed z = 1.16 galaxy cluster
X-ray observations of a rare relaxed galaxy cluster at very high redshift
Milky Way circular velocity measured from stellar abundances
A new method uses stellar chemical patterns to map our galaxy's rotational speeds
Cored stellar systems can remain stable in cuspy dark matter halos
Stellar cores remain stable in cuspy dark matter environments for billions of years
