Nova eruption of V1716 Sco inspected in X-rays and gamma rays
Astronomers from China and Taiwan have observed the nova eruption of V1716 Sco that took place last year, using various X-ray and gamma-ray space observatories. Results of the observational campaign, presented June 27 on the preprint server arXiv, pr.....»»
Marine sharks and rays "use" urea to delay reproduction, finds study
Urea—the main component of human urine—plays an important role in the timing of maturation of sharks, rays and other cartilaginous fish......»»
You Asked: Is Amazon hiding the Blu-rays? And where’s the Sony XM6?
On this week’s You Asked: Is Amazon trying to kill Blu-ray discs? Are the Sony XM6 headphones coming?.....»»
We may have spotted the first magnetar flare outside our galaxy
Not all gamma-ray bursts come from supernovae. Enlarge / M82, the site of what's likely to be a giant flare from a magnetar. (credit: NASA, ESA and the Hubble Heritage Team) Gamma rays are a broad category of high-energy.....»»
International team detects eruption of mega-magnetic star in nearby galaxy
While ESA's satellite INTEGRAL was observing the sky, it spotted a burst of gamma-rays—high-energy photons—coming from the nearby galaxy M82. Only a few hours later, ESA's XMM-Newton X-ray space telescope searched for an afterglow from the explos.....»»
Research team resolves decades-long problem in microscopy
When viewing biological samples with a microscope, the light beam is disturbed if the lens of the objective is in a different medium than the sample. For example, when looking at a watery sample with a lens surrounded by air, the light rays bend more.....»»
Largest gamma-radiation burst ever recorded spills its secrets
Back in October of 2022, astronomers around the world were baffled and awed by the largest gamma-radiation burst we’ve ever recorded. The burst was so … The post Largest gamma-radiation burst ever recorded spills its secrets appeared first on.....»»
Iceland volcano still spewing lava, one month on
Orange lava bubbles and pops, occasionally spewing large fountains from a volcano that has been erupting for a month in Iceland, the second-longest eruption since the region's volcanic activity reawakened in March 2021......»»
The brightest gamma ray burst ever seen came from a collapsing star
After a journey lasting about two billion years, photons from an extremely energetic gamma-ray burst (GRB) struck the sensors on the Neil Gehrels Swift Observatory and the Fermi Gamma-Ray Space Telescope on October 9th, 2022. The GRB lasted seven min.....»»
Designing a cost-effective X-ray free electron lasers facility
Many advances in structural science since the 1970s were made by probing materials with synchrotron radiation: that is, high energy X-rays generated through accelerating high-energy electrons. The latest generation of such sources, X-ray free electro.....»»
A supernova caused the BOAT gamma ray burst, JWST data confirms
But astronomers puzzled by the lack of signatures of expected heavy elements. Enlarge / Artist's visualization of GRB 221009A showing the narrow relativistic jets—emerging from a central black hole—that gave rise to the brig.....»»
Researchers confirm brightest gamma-ray burst of all time came from the collapse of a massive star
In October 2022, an international team of researchers, including Northwestern University astrophysicists, observed the brightest gamma-ray burst (GRB) ever recorded, GRB 221009A......»»
A physicist uses X-rays to rescue old music recordings
Researchers are developing a technique that uses the special synchrotron X-ray light from the Swiss Light Source SLS to non-destructively digitize recordings from high-value historic audio tapes—including treasures from the Montreux Jazz Festival a.....»»
Pets and the solar eclipse: How sudden increase in darkness during what should be the middle of day may affect pets
On Monday, 13 states in the U.S.—starting with Texas—will experience brief moments of nighttime darkness mid-day as the moon glides in front of the sun, blocking its rays......»»
Mapping the best route for a spacecraft traveling beyond the sun"s sphere of influence
The heliosphere—made of solar wind, solar transients, and the interplanetary magnetic field—acts as our solar system's personal shield, protecting the planets from galactic cosmic rays. These extremely energetic particles accelerated outwards fro.....»»
Scientific drilling unravels historical mystery surrounding Santorini volcanic archipelago
An international team of scientists co-led by Dr. Steffen Kutterolf from GEOMAR Helmholtz Center for Ocean Research Kiel has found evidence of a historical submarine eruption of the Kameni volcano on Santorini for the first time. In their paper, publ.....»»
NASA delivers science instrument to JAXA"s Martian Moons mission
On March 14, NASA handed over its gamma-ray and neutron spectrometer instrument to JAXA (Japan Aerospace Exploration Agency) for integration onto JAXA's MMX (Martian Moons eXploration) mission spacecraft and final system-level testing......»»
Astrophysicist explains science behind once-in-a-lifetime nova outburst that will light up the sky this year
The total solar eclipse isn't the only reason to keep your eyes to the sky this year. For the first time in 80 years, a star system 3,000 light years away will be visible to the naked eye thanks to a once-in-a-lifetime nova outburst......»»
Cacao plants" defense against toxic cadmium unveiled
Researchers from the University Grenoble Alpes (UGA), France, together with the ESRF, the European Synchrotron located in Grenoble, France, used ESRF's bright X-rays to unveil how cacao trees protect themselves from toxic metal cadmium. This knowledg.....»»
Team achieves successful mass production of metalenses designed for application in the ultraviolet region
Ultraviolet rays find diverse applications in medical and health care, serving purposes such as disinfection, sterilization, and therapy. They are also used in the semiconductor industry for creating microcircuits and patterns......»»
Paganini"s violin gets X-ray treatment in quest of sound secrets
French experts fired X-rays at a 18th-century violin worth millions this weekend hoping to discover the secret of its magical sound, they said Monday......»»