CAPE CANAVERAL, Fla. — Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday. The halo, known as an Einstein ring, encircles a ...
They are the most luminous objects in a galaxy, outshining all the stars. When light from a quasar reaches a CGM, it is absorbed by the different elements forming the halo. “The Hubble readings ...
As a result, they detected a stellar stream, shells and a globular cluster in the halo of this galaxy. Their findings were reported Jan. 7 on the pre-print server arXiv. NGC 300 (also known as ...