tidal streams
How Do Stars Get Kicked Out of Globular Clusters?
Globular clusters are densely-packed collections of stars bound together gravitationally in roughly-shaped spheres. They contain hundreds of thousands of stars.…
2 years ago
Caught in the Act! Merging Galaxies Create a Binary Quasar
[/caption] Excellent teamwork by astronomers working in two different wavebands – x-ray and optical - has led to the discovery…
14 years ago
Death in the Sky: M31 Shreds its Satellites
[/caption] An international team of astronomers has identified two new tidal streams in M31, the Andromeda galaxy. They are more-or-less…
15 years ago