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Modeling collisions between argon nuclei and neutrinos from a supernova

Massive stars end their lives in explosions called core-collapse supernovae. These explosions produce very large numbers of weakly interacting particles called neutrinos. Scientists working on the Deep Underground Neutrino Experiment, hosted by Fermi.....»»

Category: topSource:  physorgApr 19th, 2021

Modeling organizations’ defensive mechanisms with MITRE D3FEND

Funded by the National Security Agency, MITRE’s D3FEND framework is helping to provide standardization, specificity, and repeatability needed by cybersecurity engineers. As the framework moves from the beta version to version 1.0 in 2024, we asked.....»»

Category: securitySource:  netsecurityRelated NewsNov 15th, 2023

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.....»»

Category: topSource:  physorgRelated NewsNov 14th, 2023

Tiny Big Bang: ALICE experiment restarts with lead ions

On September 26, 2023, the accelerator team at the CERN European Council for Nuclear Research in Geneva declared stable lead-beam conditions, ushering in the first data-taking campaign of lead-ion collisions in five years. From then until the late ev.....»»

Category: topSource:  physorgRelated NewsNov 14th, 2023

Faster Arctic warming hastens 2-degree-Celsius rise by eight years, finds modeling study

Faster warming in the Arctic will be responsible for a global 2 C temperature rise being reached eight years earlier than if the region were warming at the average global rate, according to a new modeling study led by UCL researchers......»»

Category: topSource:  physorgRelated NewsNov 14th, 2023

Endangered turtle population under threat as pollution may lead to excess female hatchlings

Green sea turtles, Chelonia mydas, are listed as endangered on the IUCN Red List of Threatened Species. They are at risk of extinction due to poaching, collisions with boats, habitat destruction, and accidental capture in fishing gear......»»

Category: topSource:  informationweekRelated NewsNov 13th, 2023

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.....»»

Category: topSource:  arstechnicaRelated NewsNov 10th, 2023

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.....»»

Category: topSource:  physorgRelated NewsNov 8th, 2023

Magnetic shielding for particle detectors

Particle physicists who hunt for neutrinos, cosmic-rays and other charged particles rely on sophisticated instruments that detect very faint bursts of light given off when incident particles interact with a medium. The most common such instruments, c.....»»

Category: topSource:  physorgRelated NewsNov 8th, 2023

Supermassive black hole found only half a billion years after Big Bang

There just isn't time for something that big to grow from a supernova remnant. Enlarge / Inset shows the JWST image of the galaxy in infrared, along with the X-rays from the black hole seen by the Chandra. While the X-ray source.....»»

Category: topSource:  arstechnicaRelated NewsNov 7th, 2023

Half of the mass of an early galaxy is in its central black hole

There just isn't time for something that big to grow from a supernova remnant. Enlarge / Inset shows the JWST image of the galaxy in infrared, along with the X-rays from the black hole seen by the Chandra. While the X-ray source.....»»

Category: topSource:  arstechnicaRelated NewsNov 6th, 2023

Searching for the supernova neutrino background to the universe

It's a sobering statement that stars like the sun, more accurately all stars will die eventually—yes, even the sun. Don't panic, though, we still have a good few billion years to go so you will get to the end of this article. The more massive stars.....»»

Category: topSource:  physorgRelated NewsNov 6th, 2023

Research explores the properties of supernova remnant 1E 0102.2–7219

Using the Australia Telescope Compact Array (ATCA) and the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of astronomers has observed a supernova remnant known as 1E 0102.2–7219. Results of the study, presented October 2.....»»

Category: topSource:  physorgRelated NewsNov 3rd, 2023

Meltwater flowing beneath Antarctic glaciers may be accelerating their retreat

A new Antarctic ice sheet modeling study from scientists at UC San Diego's Scripps Institution of Oceanography suggests that meltwater flowing out to sea from beneath Antarctic glaciers is making them lose ice faster......»»

Category: topSource:  physorgRelated NewsOct 27th, 2023

NASA rocket to see sizzling edge of star-forming supernova

A new sounding rocket mission is headed to space to understand how explosive stellar deaths lay the groundwork for new star systems. The Integral Field Ultraviolet Spectroscopic Experiment, or INFUSE, sounding rocket mission, will launch from the Whi.....»»

Category: topSource:  physorgRelated NewsOct 27th, 2023

Research characterizes the footprint of neutrinos

The neutrino, one of nature's most elusive and least understood subatomic particles, rarely interacts with matter. That makes precision studies of the neutrino and its antimatter partner, the antineutrino, a challenge. The strongest emitters of neutr.....»»

Category: topSource:  physorgRelated NewsOct 24th, 2023

Using mathematical modeling to save coral reefs

A team of researchers at the University of Waterloo is using mathematical models to help determine the best strategies for saving coral reefs from climate change......»»

Category: topSource:  physorgRelated NewsOct 24th, 2023

JWST looks at the debris disk around a white dwarf

Debris disks are quite common in the universe. Young stars have protoplanetary disks from which planets form. Black holes have accretion disks that are the source of the galactic jets. Supernova remnants can form a disk around neutron stars. So what.....»»

Category: topSource:  physorgRelated NewsOct 23rd, 2023

Decline of rare right whale appears to be slowing, but scientists say big threats remain

The decline of one of the rarest whales in the world appears to be slowing, but scientists warn the giant mammals still face existential threats from warming oceans, ship collisions and entanglement in fishing gear......»»

Category: topSource:  physorgRelated NewsOct 23rd, 2023

In 250 million years, a single supercontinent will form, wiping out nearly all mammals: Modeling study

A recent study published in Nature Geoscience uses supercomputer climate models to examine how a supercontinent, dubbed Pangea Ultima (also called Pangea Proxima), that will form 250 million years from now will result in extreme temperatures, making.....»»

Category: topSource:  physorgRelated NewsOct 21st, 2023

New 3D-printed tumor model enables faster, less expensive and less painful cancer treatment

An international team of interdisciplinary researchers has successfully created a method for better 3D modeling of complex cancers. The University of Waterloo-based team combined cutting-edge bioprinting techniques with synthetic structures or microf.....»»

Category: topSource:  pcmagRelated NewsOct 21st, 2023