News tagged with globular clusters

Related topics:

Why does the Milky Way rotate?

We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 ...

dateFeb 11, 2015 in Astronomy
shares93 comments 30

Entire star cluster thrown out of its galaxy

(Phys.org) —The galaxy known as M87 has a fastball that would be the envy of any baseball pitcher. It has thrown an entire star cluster toward us at more than two million miles per hour. The newly discovered ...

dateApr 30, 2014 in Astronomy
shares0 comments 6

Exiled stars explode far from home

Sharp images obtained by the Hubble Space Telescope confirm that three supernovae discovered several years ago exploded in the dark emptiness of intergalactic space, having been flung from their home galaxies ...

dateJun 04, 2015 in Astronomy
shares1749 comments 31

Nearby ancient star is almost as old as the Universe

A metal-poor star located merely 190 light-years from the Sun is 14.46+-0.80 billion years old, which implies that the star is nearly as old as the Universe! Those results emerged from a new study led by Howard Bond. Such metal-poor stars are (s ...

dateFeb 25, 2013 in Astronomy
shares0 comments 15

The survivors of a 13 billion year old massacre

(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the ...

dateFeb 14, 2012 in Astronomy
shares0 comments 1

Globular clusters rotate at heart

(Phys.org) —Astronomers from the University of Texas at Austin and Germany's Max Planck Institute for Extraterrestrial Physics (MPE) recently found a surprise when studying some of the oldest star clusters ...

dateMay 09, 2014 in Astronomy
shares0 comments 11

Researchers use stars to infer mass of Milky Way

What if your doctor told you that your weight is somewhere between 100 and 400 lbs.? With any ordinary scale every patient can do better at home. Yet, one patient can't: the Milky Way. Even though today we ...

dateJun 02, 2015 in Astronomy
shares1189 comments 15