News tagged with gamma rays

Common physics among black holes

(Phys.org)—Black holes range from modest objects formed when individual stars end their lives to behemoths billions of times more massive that rule the centers of galaxies. A new study using data from NASA's ...

Dec 13, 2012
4.7 / 5 (11) 30 | with audio podcast

Firestation: Preparing to study lightning

(Phys.org)—An experiment to study the effects of lightning flashes on Earth's atmosphere has taken its first steps on its journey to space. The Firestation experiment has undergone numerous tests to make ...

Nov 06, 2012
5 / 5 (2) 0

A new class of extragalactic objects

A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays ...

Oct 29, 2012
3.9 / 5 (14) 1 | with audio podcast

Largest ever Cherenkov telescope sees first light

(Phys.org) -- On 26 July 2012, the H.E.S.S. II telescope started operation in Namibia. Dedicated to observing the most violent and extreme phenomena of the Universe in very high energy gamma-rays, H.E.S.S. ...

Jul 26, 2012
5 / 5 (9) 7 | with audio podcast