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 ...
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...
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 ...
with a dark matter halo and a cloud of globular clusters surrounding it. Countless galaxies familiar to readers and observers ...
is the sky’s second-brightest globular cluster. So, the four stars in the 9–12 Geminorum Cluster are 9, 10, 11, and 12 Geminorum. Their magnitudes are 6.3, 6.6, 6.9, and 7.0, respectively.