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.....»»
Why don"t we see robotic civilizations rapidly expanding across the universe?
In 1950, while sitting down to lunch with colleagues at the Los Alamos Laboratory, famed physicist and nuclear scientist Enrico Fermi asked his famous question: "Where is everybody?" In short, Fermi was addressing the all-important question that has.....»»
New astrophysics model sheds light on additional source of long gamma-ray bursts
Cutting-edge computer simulations combined with theoretical calculations are helping astronomers better understand the origin of some of the universe's most energetic and mysterious light shows—gamma-ray bursts, or GRBs. The new unified model confi.....»»
A Peruvian farmer is trying to hold energy giant RWE responsible for climate change—the inside story
On a crisp, sunny day high in the Peruvian Andes, two German judges gaze across a mountain lake to the towering white glaciers in the distance. Dark spots are visible on the pristine ice and, in quiet moments, the cold wind carries the sounds of crea.....»»
A gamma-ray pulsar milestone inspires innovative astrophysics and applications
The U.S. Naval Research Laboratory (NRL), in conjunction with the international Fermi Large Area Telescope Collaboration, announce the discovery of nearly 300 gamma ray pulsars in the publication of their Third Catalog of Gamma Ray Pulsars. This mile.....»»
Data from Fermi Gamma-ray Space Telescope reveal gamma radiation pulses from Sagittarius A*
A pair of astrophysicists at Universidad Nacional Autonoma de Mexico has found, via study of data from the low-Earth orbiting Fermi Gamma-ray Space Telescope, regular gamma radiation pulses emanating from around the black hole (at the center of the M.....»»
Investigating the contribution of gamma-ray blazar flares to neutrino flux
Blazars belong to the family of active galactic nuclei called quasars. What differentiates them from quasars is that the flares ejected out of these active galactic nuclei are pointed toward the Earth. These flares contain high-energy cosmic rays whi.....»»
Hubble spots an Earth-sized exoplanet just 22 light-years away
The Hubble Space Telescope has recently confirmed that a nearby planet, which is diminutive by exoplanet standards, is 1.07 times the size of Earth......»»
Saturday Citations: Bronze-Age gender representation, gamma rays, nice bonobos in your neighborhood want to meet you
This week's news roundup includes a Bronze Age discovery that calls into question existing ideas of gender representation from the period. More research confirms that bonobos are actually nice. Plus: Actual good climate news?.....»»
Gamma-ray burst charged Earth’s ionosphere from 2 billion light-years away
The brightest supernova ever detected altered the outer layers of Earth's atmosphere. Enlarge / Artist's conception of a gamma-ray burst. (credit: NASA) An astounding gamma-ray burst, dubbed GRB 221009A, continues to ama.....»»
PhD student bioengineers potato plant to detect gamma radiation
A researcher at the University of Tennessee Herbert College of Agriculture has developed a potato plant that can detect gamma radiation, providing reliable indications of harmful radiation levels without complex monitoring technologies......»»
James Webb spots exoplanet with sand clouds and sulfur-filled skies
The James Webb Space Telescope has revealed something intriguing about a gas giant exoplanet known as WASP-107b. The Neptune-like gas giant currently orbits a star … The post James Webb spots exoplanet with sand clouds and sulfur-filled skies a.....»»
Gamma-rays with energies of up to 13 teraelectronvolts measured for brightest burst of all time
Astronomers with The LHAASO Collaboration have found that last year's GRB 221009A gamma-ray burst, subsequently nicknamed the Brightest of All Time (BOAT), carried with it 13 teraelectronvolts of energy. In their study, reported in the journal Scienc.....»»
A supernova devastated our ozone in 2022, new study reveals
In October of 2022, telescopes picked up a jet of high energy from a supernova that exploded 1.9 billion light-years away from Earth. This gamma-ray … The post A supernova devastated our ozone in 2022, new study reveals appeared first on BGR......»»
Rainbow PUSH scorecard ranks automakers on diversity efforts
Stellantis and Nissan each moved up two spots in the rankings of automakers' efforts to improve diversity in employment, advertising, marketing, procurement, dealerships and philanthropy......»»
Organizations should prepare for the inevitability of cyberattacks on their infrastructure
Organizations reliance on technology has contributed to the fact that their attack surface has grown in size and complexity, according to Armis. Global organizations are facing an unprecedented level of cyber risk due to blind spots in their environm.....»»
How to fix packet burst in Modern Warfare 3
In the heat of battle, even the slightest glitch can cost you your life in Modern Warfare 3. If you're suffering from a packet burst, you need to fix it fast......»»
ALMA observations shed more light on molecular clouds associated with supernova remnant LHA 120-N49
Using the Atacama Large Millimeter/Submillimeter Array (ALMA), an international team of astronomers has observed a supernova remnant known as LHA 120-N49. Results of the observational campaign, published November 3 on the pre-print server arXiv, prov.....»»
Daily Telescope: A spectacular view of a 10,000-year-old supernova remnant
"Without narrowband filters, it’s almost impossible to photograph." Enlarge / The Garlic Nebula in all its glory. Welcome to the Daily Telescope. There is a little too much darkness in this world and not enough lig.....»»
Open-source vulnerability disclosure: Exploitable weak spots
Flaws in the vulnerability disclosure process of open-source projects could be exploited by attackers to harvest the information needed to launch attacks before patches are made available, Aqua Security researchers worry. The risk arises from “.....»»
Astronomers are hoping to detect gravitational waves coming from supernova 1987A
A supernova explosion is a cataclysmic explosion that marks the violent end of a massive star's life. During the event, the star releases immense amounts of energy, often outshining the combined light from all the stars in the host galaxy for a very.....»»