News tagged with galaxy cluster

Glimmer of light in the search for dark matter

The Leiden astrophysicist Alexey Boyarsky and his fellow researchers may have identified a trace of dark matter that could signify a new particle: the sterile neutrino. A research group in Harvard reported a very similar ...

dateFeb 27, 2014 in General Physics
shares125 comments 17

Image: Hubble looks into Terzan 7

Named after its discoverer, the French-Armenian astronomer Agop Terzan, this is the globular cluster Terzan 7—a densely packed ball of stars bound together by gravity. It lies just over 75,000 light-years away from us on ...

dateFeb 17, 2014 in Astronomy
shares0 comments 0

Looking back to the cradle of our universe

( —NASA's Spitzer and Hubble Space Telescopes have spotted what might be one of the most distant galaxies known, harkening back to a time when our universe was only about 650 million years old (our universe is ...

dateFeb 10, 2014 in Astronomy
shares0 comments 1

RX J1532.9+3021: Extreme power of black hole revealed

( —Astronomers have used NASA's Chandra X-ray Observatory and a suite of other telescopes to reveal one of the most powerful black holes known. The black hole has created enormous structures in the hot gas surrounding ...

dateJan 23, 2014 in Astronomy
shares0 comments 58

Death by black hole in small galaxy?

( —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra X-ray Observatory ...

dateJan 08, 2014 in Astronomy
shares0 comments 31

The rise and fall of galactic cities

( —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in the equivalent of ...

dateDec 19, 2013 in Astronomy
shares0 comments 1

Video: Guide to our Galaxy

This virtual journey shows the different components that make up our home galaxy, the Milky Way, which contains about a hundred billion stars.

dateNov 22, 2013 in Astronomy
shares0 comments 1