THE 200 inch telescope on Palomar Mountain has recently been used for a detailed photometric and spectroscopic study of the globular clusters associated with the Andromeda nebula. This ...
The study measured where and how fast 77 of Andromeda’s compact star clusters—called globular clusters—are moving to work out where they came from. Even when the Milky Way and Andromeda ...
Jamie Carter is an award-winning reporter who covers the night sky. Globular clusters like this one, Omega Centauri, are very dense groupings of up to a million stars ... [+] in a sphere ...