When the star that created this supernova remnant exploded in 1572, it was so bright that it was visible during the day. And though he wasn't the first or only person to observe this stellar spectacle, the Danish astronomer ...
Astronomy
May 12, 2016
5
648
There is no good place to be when a nuclear bomb goes off. Anything too close is instantly vaporized, and radiation can pose a serious health threat even at a distance. In between, there is another danger: the blast wave ...
General Physics
Jan 17, 2023
4
179
(PhysOrg.com) -- Purdue University on Wednesday (Nov. 3) unveiled ''Impact: Earth!'' a new website that allows anyone to calculate the potential damage a comet or asteroid would cause if it hit the Earth.
Space Exploration
Nov 3, 2010
0
0
Using snapshots taken over 20 years with NASA's Chandra X-ray Observatory, astronomers have learned important new details about an eruption from Eta Carinae witnessed on Earth in the mid-19th century.
Astronomy
Sep 26, 2023
0
259
For decades, astronomers have known about irregular outbursts from the double star system V745 Sco, which is located about 25,000 light years from Earth. Astronomers were caught by surprise when previous outbursts from this ...
Astronomy
Sep 18, 2017
0
638
There has been widespread discussion of Russia's threat to use tactical nuclear weapons in its war on Ukraine.
Other
Apr 20, 2022
1
47
Astronomers have discovered a special kind of neutron star for the first time outside of the Milky Way galaxy, using data from NASA's Chandra X-ray Observatory and the European Southern Observatory's Very Large Telescope ...
Astronomy
May 23, 2018
2
305
By bringing together data from two NASA telescopes, astronomers may have solved a mystery around a bizarre structure found in the debris field of an exploded star. Their work has uncovered new details about the star's remains, ...
Astronomy
Jan 9, 2024
0
70
New research on the effects of blast waves could lead to an enhanced understanding of head injuries and improved military helmet design.
General Physics
Aug 26, 2009
1
0
(Phys.org) —Astronomers estimate that a star explodes as a supernova in our Galaxy, on average, about twice per century. In 2008, a team of scientists announced they discovered the remains of a supernova that is the most ...
Astronomy
Jun 26, 2013
2
0
