gamma ray
NASA’s Fermi Sees No Gamma Rays From Nearby Supernova
Science
Dr. Sarah Adams
The 2023 observation of supernova SN 2023ixf in the Pinwheel galaxy provided a unique chance to study cosmic ray production, but the ...
Mystery of Where Gold and Platinum Come From Deepens After Gargantuan Cosmic Explosion
Science
Dr. Sarah Adams
In October 2022, an extremely bright flash caught the attention of the Gemini South telescope in Chile. It was quickly determined to ...
Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet
Science
Dr. Sarah Adams
Johannes Kepler observed the last supernova in the Milky Way in 1604, so in a statistical sense, the next one is overdue. ...
NASA Tracks the Brightest Cosmic Event Ever Recorded – “This Thing’s Crazy!”
Science
Dr. Sarah Adams
Astronomers think a long GRB (gamma-ray burst) arises from a massive, rapidly rotating star when its core runs out of fuel and ...
13 record-breaking space discoveries of 2023
Science
Dr. Sarah Adams
1. The most powerful light from the sun Among the new astronomical records set in 2023 was an announcement of the highest-energy ...