The Milky Way has an Inner Ring, Just Outside the Core

Combining data from the APOGEE survey and the Gaia Observatory with sophisticated models, a team of scientists has found a…

6 months ago

X-rays Reveal a Stellar-Mass Black Hole in Andromeda

[/caption] An ultraluminous x-ray source (ULX) previously spotted in the neighboring Andromeda galaxy┬áby NASA's Chandra observatory has now been revealed…

11 years ago