Fermi spots a supernova"s "fizzled" gamma-ray burst
On Aug. 26, 2020, NASA's Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for nearly half the present age of the universe. Lasting only about a second, it turned out to be one for the record.....»»
The first JWST spectrum of the GRB 221009A afterglow
Gamma-ray bursts are the most energetic and luminous events known to occur in the Universe. Short-lived flashes of gamma rays that typically last from a a tenth of a second to less than an hour, gamma-ray bursts may for a brief period of time outshin.....»»
Brightest-ever gamma-ray burst (the “BOAT”) continues to puzzle astronomers
No evidence of associated supernova, and afterglow radio data contradicts current models. On October 9, 2022, Swift’s X-Ray Telescope captured the afterglow of the brightest gamma-ray burst ever recorded, called GRB 221009A. On th.....»»
Bright gamma ray burst confounds models of black hole birth
Last October, following one of the brightest flashes of gamma rays ever observed in the sky, telescopes around the world captured a wealth of data from an event that is thought to herald the collapse of a massive star and the birth of a black hole......»»
NASA missions study what may be a 1-In-10,000-year gamma-ray burst
On Sunday, Oct. 9, 2022, a pulse of intense radiation swept through the solar system so exceptional that astronomers quickly dubbed it the BOAT—the brightest of all time......»»
Sydney astronomers provide rapid radio-wave follow-up observation for gamma ray burst GRB 221009A
Australian astronomers have provided vital information in the global effort to understand the brightest-ever detected gamma ray burst, which swept through our solar system on October 9 last year......»»
Brightest gamma-ray burst ever observed reveals new mysteries of cosmic explosions
On October 9, 2022, an intense pulse of gamma-ray radiation swept through our solar system, overwhelming gamma-ray detectors on numerous orbiting satellites, and sending astronomers on a chase to study the event using the most powerful telescopes in.....»»
Insight-HXMT and GECAM-C observations of the brightest-of-all-time GRB 221009A
The Institute of High Energy Physics (IHEP) of the Chinese Academy of Sciences (CAS), together with some 40 research institutions worldwide, has released their latest discoveries on the brightest gamma-ray burst (dubbed as GRB 221009A) ever detected.....»»
For the first time, astronomers have linked a mysterious fast radio burst with gravitational waves
We have just published evidence in Nature Astronomy for what might be producing mysterious bursts of radio waves coming from distant galaxies, known as fast radio bursts or FRBs......»»
Did we already observe our first “blitzar”?
Radio burst may come from a neutron star that's too big to live. Enlarge / The CHIME telescope has proven adept at picking up fast radio bursts. (credit: Andre Renard / CHIME Collaboration) By combing through a collectio.....»»
iPhone 13 was most popular smartphone in China for 2022
The iPhone 13 was the best-selling smartphone in China across all of 2022, capturing three of the top-10 sales spots.iPhone 13China's smartphone market is an important one for Apple, and it seems that the company did really well compared to its rival.....»»
James Webb spots exoplanet with gritty clouds of sand floating in its atmosphere
Exoplanet VHS 1256 b, around 40 light-years away, has an unusual atmosphere where clouds of sand float in temperatures of 1,500 degrees Fahrenheit......»»
Apple dominates high-end market as Samsung"s smartphone business flounders
Samsung Electronics' smartphone business has hit the rocks. In 2022, Apple captured eight spots in the list of top 10 best-selling smartphones, while Samsung managed to occupy only 2 spots with 2 entry-level models. Its premium, models such as the Ga.....»»
Artificial intelligence finds the first stars were not alone
By using machine learning and state-of-the-art supernova nucleosynthesis, a team of researchers have found the majority of observed second-generation stars in the universe were enriched by multiple supernovae. Their findings are reported in The Astro.....»»
Gravastar Supernova Bluetooth Speaker Review: It"s almost perfect
The Supernova Bluetooth Speaker crash-landed, and it's now our go-to speaker for everything from pool parties to game nights.Gravastar's new, portable speakers look like they were ripped straight out of Portal. The unique design of this powerful spea.....»»
Observations investigate long-term behavior of gamma-ray blazar PKS 0402-362
Indian astronomers have analyzed observational data of a gamma-ray blazar known as PKS 0402-362, collected in the timespan of nearly 13 years. The study, published March 7 in the Monthly Notices of the Royal Astronomical Society, provides crucial inf.....»»
Pi Is Hiding Everywhere
For Pi Day, let’s track down the surprising spots where this mathematical constant turns up, from the quantum world to the everyday one......»»
EV credits boost Tesla, GM, Ford, VW — as Hyundai suffers
EVs built in North America took the top eight spots for vehicle registrations in January, according to Experian data, displacing imported models from Hyundai and Kia......»»
Webb captures rarely seen prelude to a supernova
A Wolf-Rayet star is a rare prelude to the famous final act of a massive star: the supernova. As one of its first observations in 2022, the NASA/ESA/CSA James Webb Space Telescope captured the Wolf-Rayet star WR 124 in unprecedented detail. A distinc.....»»
The best places to land in Fortnite for Chapter 4 Season 2
While having accurate aim is key to winning in Fortnite, so is choosing a good drop spot. Here are the best Fortnite drop spots during Chapter 4 Season 2......»»
Warzone 2.0: The best places to land on Ashika Island
Picking the best landing spot on Ashika Island in Warzone 2.0 will set you up for success. These are the best landing spots on Ashika Island......»»