In the year 1006 a new star was seen in the southern skies and widely recorded around the world. It was many times brighter than the planet Venus and may even have rivaled the brightness of the Moon. It was so bright at maximum ...
Astronomy
Feb 14, 2013
5
0
(Phys.org)—Humans venturing beyond Earth orbit deeper into space face increased exposure to cosmic radiation, so ESA has teamed with Germany's GSI particle accelerator to test potential shielding for astronauts, including ...
Space Exploration
Oct 10, 2012
0
0
A constant shower of subatomic particles rains down from space. A hundred years ago, this "cosmic radiation" was discovered by the Austrian physicist Victor Franz Hess. Among other things, the discovery laid the foundation ...
General Physics
Jul 31, 2012
0
0
(Phys.org) -- A telescope buried beneath the South Pole has failed to find any neutrinos accompanying exploding fireballs in space, undermining a leading theory of how cosmic rays are born.
Astronomy
Apr 20, 2012
11
0
Dark matter, the mysterious stuff thought to make up about 80 percent of matter in the universe, has become even more inscrutable.
General Physics
Dec 6, 2011
67
0
(PhysOrg.com) -- ESA's Cluster satellites have discovered that cosmic particle accelerators are more efficient than previously thought. The discovery has revealed the initial stages of acceleration for the first time, a process ...
Astronomy
Nov 17, 2011
0
0
The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved by the most ...
Astronomy
Mar 24, 2011
7
0
Satellites are big. They cost a lot of money. At least that's the impression a couple of University of Maryland-College Park students had when they applied for an internship to help construct a satellite instrument with scientists ...
Space Exploration
Sep 20, 2010
4
0
High-energy bursts of gamma rays typically occur far out in space, perhaps near black holes or other high-energy cosmic phenomena. So imagine scientists' surprise in the mid-1990s when they found these powerful gamma ray ...
Space Exploration
Feb 2, 2010
2
0
This image of data from NASA's Chandra X-ray Observatory and the European Southern Observatory's Very Large Telescope shows a part of the roughly circular supernova remnant known as RCW 86.
Astronomy
Jul 1, 2009
1
0
