In all directions of the sky, cosmic rays rocket through space with incredible speed. These “rays”—which mostly consist of protons—are some of the most energetic particles in the universe. For nearly 100 years, they ...
Astronomy
Jan 8, 2010
7
1
An international team of researchers studying data from China's Dark Matter Particle Explorer (DAMPE) has measured cosmic ray protons up to the energy of 100 TeV with high precision for the first time. In their paper published ...
The Gamma Ray and Neutron Detector (GRaND) aboard NASA's Dawn spacecraft is mapping the elemental composition of Ceres in a low altitude orbit, about 240 miles (385 kilometers) above the surface of the dwarf planet.
Space Exploration
Mar 23, 2016
0
21
Astronomers have succeeded for the first time in quantifying the proton and electron components of cosmic rays in a supernova remnant. At least 70% of the very-high-energy gamma rays emitted from cosmic rays are due to relativistic ...
Astronomy
Aug 23, 2021
21
351
(PhysOrg.com) -- As the 2008-09 Antarctic drilling season concludes, the IceCube Neutrino Observatory is on track to be finished as planned in 2011.
General Physics
Feb 25, 2009
1
1
Supernovae, neutron star collisions and active galactic nuclei are among the most energetic phenomena in the known universe. These violent explosions produce high-energy gamma rays and cosmic rays, which can easily travel ...
Astronomy
Mar 20, 2015
1
75
Scientists are using a one cubic kilometer block of ice at the South Pole to help unravel one of the great scientific mysteries of our time.
General Physics
Dec 19, 2013
0
0
Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite of our own Milky ...
Astronomy
Nov 2, 2009
0
0
An enormous telescope complex in Tibet has captured the first evidence of ultrahigh-energy gamma rays spread across the Milky Way. The findings offer proof that undetected starry accelerators churn out cosmic rays, which ...
Astronomy
Mar 31, 2021
0
5602
Peering into darkness can strike fear into the hearts of some, but a new space telescope will soon peer into the darkness of "near space" (within a few thousand light years of Earth). Scientists are using the telescope to ...
Astronomy
Nov 9, 2015
58
339
