(Phys.org) —The contorted object captured by Hubble in this picture is IRAS 22491-1808, also known as the South America Galaxy. It is an ultra-luminous infrared galaxy (ULIRG) that emits a huge amount of light at infrared ...
Astronomy
Jun 17, 2013
0
0
Out in the wilds or anywhere off the grid, sophisticated instruments small enough to fit in a shirt pocket will one day scavenge power from sunlight, body heat, or other sources to monitor water quality or bridge safety, ...
Engineering
Jun 13, 2013
0
0
Photosynthesis—the harvesting of sunlight to produce energy—is the ultimate driver of virtually all life on the surface of our planet. Most photosynthetic creatures rely on optical light, the kind we see, to energize ...
Earth Sciences
Jun 7, 2013
4
0
(Phys.org) —With this new view of a spectacular stellar nursery ESO is celebrating 15 years of the Very Large Telescope—the world's most advanced optical instrument. This picture reveals thick clumps of dust silhouetted ...
Astronomy
May 23, 2013
0
0
(Phys.org) —The mention of a two-dimensional material with excellent electrical and optical properties may first bring to mind graphene. However, this description also fits another class of materials called transition metal ...
Observational results of the Hubble Space Telescope announced in March 2013 confirmed the theoretical prediction by the Bersten team at the Kavli Institute for the Physics and Mathematics of the Universe that the yellow supergiant ...
Astronomy
Apr 5, 2013
0
0
(Phys.org)—These images of the planetary nebula Abell 30, (a.k.a. A30), show one of the clearest views ever obtained of a special phase of evolution for these objects. The inset image on the right is a close-up view of ...
Astronomy
Nov 15, 2012
1
0
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 that are sometimes ...
Astronomy
Oct 29, 2012
1
3
Pulsars are the compact remnants from explosions of massive stars. Some of them spin around their own axis hundreds of times per second, emitting beams of radiation into space. Until now, they could only be found through ...
Astronomy
Oct 25, 2012
0
0
(Phys.org)—Almost thirty years ago the Infrared Astronomy Satellite, IRAS, discovered that the universe contained many fabulously luminous galaxies, some of them more than a thousand times brighter than our own galaxy, ...
Astronomy
Oct 8, 2012
3
0
