Did this supernova explode twice?
All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type 1a supernovae, involves a binary star where one of the pair is a white dwarf. And while supernovae of all types usually involve a sin.....»»
Probing the mysteries of neutron stars with a surprising earthly analog
Ultracold gases in the lab could help scientists better understand the universe. Enlarge / Spectral analysis indicates that silica is present in this supernova remnant, Cassiopeia A. (credit: NASA/JPL-Caltech/ O. Krause (Steward.....»»
Webb locates dust reservoirs in two supernovae
Supernovae, the explosive deaths of stars, are some of the universe's biggest bursts of energy and light. When they erupt, one supernova can shine even brighter than an entire galaxy......»»
Our Solar System possibly survived a supernova because of how the Sun formed
The gas that produce stars also cushion them from the blast of nearby supernovae. Enlarge / Artist's conception of the early Solar System, which was at risk of a nearby supernova. (credit: NASA/JPL-Caltech) Stars are tho.....»»
What is GDDR7? When is the next-gen VRAM coming?
GDDR7 VRAM is coming and it's bringing a huge uplift in bandwidth with it. If combined with a wide memory bus, we could see next-gen GPU bandwidth explode......»»
Molecular filament shielded our young solar system from supernova, suggests study
Isotope ratios found in meteorites suggest that a supernova exploded nearby while the sun and solar system were still forming. But the blast wave from a supernova that close could have potentially destroyed the nascent solar system. New calculations.....»»
New nearby supernova could be used by aliens to get our attention
A team of astronomers from the University of Washington, the SETI Institute, Yale University and Smith College is searching the vicinity of a new supernova in the spiral arms of the Pinwheel Galaxy hoping to find a signal from an alien civilization......»»
These are the fastest stars in the galaxy
Until recently, there were only ten known stars on trajectories that will allow them to escape the Milky Way galaxy, thrown astray by powerful supernova explosions. A new study using data from ESA's Gaia survey this June has revealed an additional si.....»»
“Lensed” supernova could shed light on fundamental forces shaping Universe
Such objects could help refine models for Hubble Constant, dark energy, and dark matter. Enlarge / Gravitational lensing has revealed a previously unknown supernova explosion more than 4 billion light-years away. (credit: Joel Jo.....»»
Astronomers discover supernova explosion through rare "cosmic magnifying glasses"
According to Einstein's general theory of relativity, time and space are fused together in a quantity known as spacetime. The theory suggests that massive objects, like a galaxy or galaxy clusters, can cause spacetime to curve......»»
A star blew up, and scientists snapped a photo of the violent explosion
Boom.Last month astronomers spotted a star that exploded in the colossal Pinwheel galaxy some 21 million light-years away — which in cosmic terms is relatively close. The outburst of a massive star collapsing on itself, called a supernova, crea.....»»
A telescope happened to be pointing at the brightest supernova yet observed
The BOAT—brightest of all time—reveals the mechanics of gamma-ray bursts. Enlarge / Artist's conception of a gamma-ray burst. (credit: NASA) Supernovae are some of the most energetic events in the Universe. And a sub.....»»
Researchers identify role of introgression during radiation of Triplophysa adapted to Tibetan Plateau
Adaptive radiation, a process in which many new species explode and occupy different ecological niches in a short time, can rapidly promote speciation and enrich species diversity. Genomic analyses have shown that phylogenies of closely related speci.....»»
Gemini North back on sky with dazzling image of supernova in the Pinwheel Galaxy
The Gemini North telescope, one half of the International Gemini Observatory operated by NSF's NOIRLab, has returned from a seven-month hiatus literally with a bang, as it has captured the spectacular aftermath of a supernova, a massive star that exp.....»»
Researchers discover chemical evidence for pair-instability supernova from a very massive first star
The first stars illuminated the universe during the Cosmic Dawn and put an end to the cosmic "dark ages" that followed the Big Bang. However, the distribution of their mass is one of the great unsolved mysteries of the cosmos......»»
Billions of devices will be trading with each other by 2030
Vodafone expects the Economy of Things to explode in popularity by the end of the decade......»»
Astronomers Have Spotted a Once-in-a-Decade Supernova--and You Can, Too
The death throes of a massive star in the galaxy M101, located just 21 million light-years away from Earth, are entrancing professional and amateur astronomers alike.....»»
For the first time, astronomers have detected a radio signal from the massive explosion of a dying white dwarf
When stars like our sun die, they tend to go out with a whimper and not a bang—unless they happen to be part of a binary (two) star system that could give rise to a supernova explosion......»»
Radio signal reveals supernova origin
In the latest issue of the journal Nature, astronomers from Stockholm University reveal the origin of a thermonuclear supernova explosion. Strong emission lines of helium and the first detection of such a supernova in radio waves show that the explod.....»»
Gravitational lens gives us a third estimate of the Universe’s expansion
Lensed images of a supernova appear at different times. Enlarge / The arc of thin, distorted objects around the center of this image is a clear indication of gravitational lensing. (credit: Patrick Kelly, University of Minnesota.....»»
BMW issues "do not drive" order for 90,000 aging vehicles over defective Takata airbags
The “do not drive” alert in North America follows similar orders from Honda Motor Co., Ford Motor Co. and others about the Takata airbags, which can explode if they are deployed after long-term exposure to high heat and humidity......»»