Imagine reading by the light of an exploded star, brighter than a full moon—it might be fun to think about, but this scene is the prelude to a disaster when the radiation devastates life as we know it. Killer cosmic rays ...
Astronomy
Aug 18, 2020
7
6859
(Phys.org) —What happens when massive stars collapse? One potential result is a core-collapse supernova. Astronomers can make observations of such events that tell us what is happening on the surface of a star when it explodes ...
Astronomy
May 2, 2014
0
0
Understanding the thermonuclear explosion of Type Ia supernovae—powerful and luminous stellar explosions—is only possible through theoretical models, which previously were not able to account for the mechanism that detonated ...
Astronomy
Oct 31, 2019
27
3450
A team of geologists led by the University of Colorado Boulder is digging into what may be Earth's most famous case of geologic amnesia.
Earth Sciences
Apr 27, 2020
6
3024
Using the extinct niobium-92 atom, ETH researchers have been able to date events in the early solar system with greater precision than before. The study concludes that supernova explosions must have taken place in the birth ...
Astronomy
Mar 2, 2021
1
13140
A giant star that exploded 30 million years ago in a galaxy near Earth had a radius prior to going supernova that was 200 times larger than our sun, according to astrophysicists at Southern Methodist University, Dallas.
Astronomy
Apr 26, 2016
6
1705
(Phys.org) —A team of researchers with members from the U.S., Germany and Ukraine is claiming in a paper they've had published in the journal Planetary and Space Science, that they have found evidence to prove the Tunguska ...
Palomar 5 is a unique star cluster. In a paper published today in Nature Astronomy, an international team of astrophysicists led by the University of Barcelona show that distinguishing features of Palomar 5 are likely the ...
Astronomy
Jul 5, 2021
46
2297
(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicle for the year 774. New correspondence between a university student and Nature carries interesting ...
The first-ever discovery of an extraterrestrial radioactive isotope on Earth has scientists rethinking the origins of the elements on our planet.
Astronomy
May 14, 2021
11
2213
