Tags » Andromeda Galaxy
This is Hubble’s rendition of a smashed rock in someone’s driveway. LOL! It kind of looks like that… Globular clusters are large aggregations of stars, that are gravitation-ally bound, not ‘Big gobs of spit!’ Our galaxy contains about 150 globular clusters. 413 more words
The Nuclear Spectroscopic Telescope Array (or NuSTAR) has captured the best high-energy X-ray view yet of a band across Andromeda, our nearest large, neighboring galaxy. The satellite has observed 40 “X-ray binaries,” intense sources of X-rays comprised of a black hole or neutron star that feeds off a stellar companion.