NASA's Fermi Gamma-ray Space Telescope has discovered a faint but sprawling glow of high-energy light around a nearby pulsar. If visible to the human eye, this gamma-ray "halo" would appear about 40 times bigger in the sky ...
Astronomy
Dec 19, 2019
4
681
Neutron stars are amongst the most exotic astrophysical objects in the Universe. Born from the supernova explosion of massive stars, neutron stars are so densely compacted by their own gravity that a sphere just 20 kilometers ...
Astronomy
Jun 20, 2014
3
0
Countless Sci-Fi fans vividly remember the famous scene in Star Wars in which the Death Star obliterates the planet Alderaan.
General Physics
Jan 19, 2012
37
0
Our solar system has had a chaotic past. Earth and the other planets are now in stable orbits, but while they were forming they experienced drastic location shifts. Jupiter was likely much closer to the sun than it is now, ...
Planetary Sciences
Jun 26, 2023
0
104
Scientists may be one step closer to unlocking one of the great mysteries of the universe after calculating that neutron stars might hold a key to helping us understand elusive dark matter.
Astronomy
Apr 5, 2024
125
1196
A new study, led by a theoretical physicist at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), suggests that never-before-observed particles called axions may be the source of unexplained, ...
Astronomy
Jan 15, 2021
9
2153
The Star Wars films raise lots of pressing questions. "Why is there sound in space?" "How did George Lucas lose his way?" And, of course, "Did Han shoot first?" (that's an easy one).
Astronomy
Dec 22, 2015
5
56
A quick think about optical astronomy would have you imagine that most of it takes place at night. Isn't that when the stars and galaxies come out to play? Well, that assumption makes at least one glaring error: Earth happens ...
Space Exploration
Feb 9, 2015
0
21
A lone source shines out brightly from the dark expanse of deep space, glowing softly against a picturesque backdrop of distant stars and colorful galaxies.
Astronomy
Sep 19, 2016
2
529
(Phys.org) —The origin of cosmic rays in the universe has confounded scientists for decades. But a study by researchers using data from the IceCube Neutrino Observatory at the South Pole reveals new information that may ...
General Physics
Aug 30, 2013
3
0
