A radio telescope in outback Western Australia has been used to observe radiation from cosmic rays in two neighbouring galaxies, showing areas of star formation and echoes of past supernovae.
Astronomy
Sep 4, 2018
0
60
Cosmic gamma rays can provide us with important insights into high-energy phenomena in our universe. The GRAINE (Gamma-Ray Astro-Imager with Nuclear Emulsion) collaboration aims to record high-energy cosmic gamma rays at ...
Astronomy
Aug 8, 2018
0
8
An international team of researchers extended their results from a previous study to directly measure the cosmic-ray all-electron (electron + positron) spectrum in an energy range from 11 GeV to 4.8 TeV with the Calorimetric ...
General Physics
Jul 20, 2018
0
8
The VERITAS array has confirmed the detection of high-energy gamma rays from the vicinity of a supermassive black hole located in a distant galaxy, TXS 0506+056. While these detections are relatively common for VERITAS, this ...
Astronomy
Jul 12, 2018
0
27
An international team of scientists has found the first evidence of a source of high-energy cosmic neutrinos, ghostly subatomic particles that can travel unhindered for billions of light years from the most extreme environments ...
General Physics
Jul 12, 2018
7
1604
A new study using data from NASA's NuSTAR space telescope suggests that Eta Carinae, the most luminous and massive stellar system within 10,000 light-years, is accelerating particles to high energies—some of which may reach ...
Astronomy
Jul 3, 2018
0
203
A team of researchers at The University of Alabama in Huntsville (UAH) has been awarded NASA funding as part of a large, five-year-long U.S. collaboration to fly an ultra-long duration balloon mission with three innovative ...
Space Exploration
Jun 4, 2018
0
28
NASA has selected a science mission planned for launch in 2024 that will sample, analyze, and map particles streaming to Earth from the edges of interstellar space.
Space Exploration
Jun 2, 2018
0
61
Two nearby supernovae that exploded about 2.5 and eight million years ago could have resulted in a staggered depletion of Earth's ozone layer, leading to a variety of repercussions for life on Earth.
Astronomy
May 18, 2018
1
247
Alongside the well-known hazards of space—freezing temperatures, crushing pressures, isolation—astronauts also face risks from radiation, which can cause illness or injure organs.
Space Exploration
Apr 3, 2018
0
18
