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UrduWASHINGTON — U.S. Naval Research Laboratory researchers led a team of scientists who discovered some of the youngest known radio jets launched by growing supermassive black holes in the centers of distant galaxies. Watching and recording the jets, which are…
Tag: STARS/THE SUN
AGU Fall Meeting: Press event schedule and online media center now live
WASHINGTON–The press conference schedule and online media center are now live for Fall Meeting 2020, when more than 20,000 attendees from 110 countries are expected to assemble virtually for the largest worldwide conference in the Earth and space sciences. This…
In the mysterious Blue Ring Nebula, scientists see the fate of binary stars
In 2004, scientists with NASA’s Galaxy Evolution Explorer spotted an object unlike any they’d seen in our Milky Way Galaxy: a large, faint blob of gas that seemed to have a star at its center.
Astronomers’ success: seven new cosmic masers
The publication is the result of many months of observations of radiation coming from the plane of the Milky Way, namely from the spiral arms of our galaxy, where a lot of matter, dust and gas accumulate. It is under…
In the mysterious Blue Ring Nebula, scientists see the fate of binary stars
In 2004, scientists with NASA’s Galaxy Evolution Explorer spotted an object unlike any they’d seen in our Milky Way Galaxy: a large, faint blob of gas that seemed to have a star at its center. In the ultraviolet wavelengths used…
16-year-old cosmic mystery solved, revealing stellar missing link
The Blue Ring Nebula, which perplexed scientists for over a decade, appears to be the youngest known example of two stars merged into one.
Orbits of ancient stars prompt rethink on Milky Way evolution
Australian telescopes and European satellite combine to reveal unexpected motions among the Galaxy’s rarest objects
Cosmic flashes come in all different sizes
By studying the site of a spectacular stellar explosion seen in April 2020, a Chalmers-led team of scientists have used four European radio telescopes to confirm that astronomy’s most exciting puzzle is about to be solved. Fast radio bursts, unpredictable…
Understanding astrophysics with laser-accelerated protons
Bringing huge amounts of protons up to speed in the shortest distance in fractions of a second — that’s what laser acceleration technology, greatly improved in recent years, can do. An international research team from the GSI Helmholtzzentrum für Schwerionenforschung…
Building blocks of life can form long before stars
An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in space. The results, published in Nature Astronomy , suggest that…
History of temperature changes in the Universe revealed
First measurement using the Sunyaev-Zeldovic
Aurora-chasing citizen scientists help discover a new feature of STEVE
In 2018, a new aurora-like discovery struck the world. From 2015 to 2016, citizen scientists reported 30 instances of a purple ribbon in the sky, with a green picket fence structure underneath. Now named STEVE, or Strong Thermal Emission Velocity…
Cloth face masks that can be disinfected by the sun
During the COVID-19 pandemic, many people have become accustomed to wearing cotton face masks in public places. However, viruses and bacteria that stick to the mask could be transferred elsewhere when the wearer removes or touches it. Now, researchers reporting…
Tree rings may hold clues to impacts of distant supernovas on Earth
Massive explosions of energy happening thousands of light-years from Earth may have left traces in our planet’s biology and geology, according to new research by University of Colorado Boulder geoscientist Robert Brakenridge. The study, published this month in the International…
Galaxies have gotten hotter as they’ve gotten older
Study of 10 billion years of microwaves reveals a warming predicted by dark matter theory
The universe is getting hot, hot, hot, a new study suggests
Temperature has increased about 10 times over the last 10 billion years
Playing detective on a galactic scale: Huge new dataset will solve multiple Milky Way mysteries
Australian-led GALAH project releases chemical information for 600,000 stars
New research on imposter stars may improve astronomical data
UNC-Chapel Hill measures orbital flashes from Earth’s mass of satellites and space trash
NASA missions help pinpoint the source of a unique x-ray, radio burst
On April 28, a supermagnetized stellar remnant known as a magnetar blasted out a simultaneous mix of X-ray and radio signals never observed before. The flare-up included the first fast radio burst (FRB) ever seen from within our Milky Way…
The role of the Sun in the spread of viral respiratory diseases
Why do most viral epidemics spread cyclically in autumn and winter in the globe’s temperate regions? According to an interdisciplinary team of researchers of the Italian National Institute for Astrophysics, the University of Milan, the Lombardy regional agency for the…
First light on a next-gen astronomical survey toward a new understanding of the cosmos
Groundbreaking all-sky survey will bolster our understanding of the formation and evolution of galaxies
GRETA, a 3D gamma-ray detector, gets green light to move forward
Spherical detector will be a centerpiece at Michigan State’s facility for rare isotope beams
Measuring the expansion of the universe: Researchers focus on velocity
Ever since the astronomer Edwin Hubble demonstrated that the further apart two galaxies are, the faster they move away from each other, researchers have measured the expansion rate of the Universe (the Hubble constant) and the history of this expansion.…
Where were Jupiter and Saturn born?
An additional planet between Saturn and Uranus was kicked out of the Solar System in its infancy
Data reveals evidence of molecular absorption in the atmosphere of a hot Neptune
An international team of scientists recently measured the spectrum of the atmosphere of a rare hot Neptune exoplanet, whose discovery by NASA’s Transiting Exoplanet Survey Satellite (TESS) was announced just last month. The discovery was made with data provided from…
New study details atmosphere on ‘hot Neptune’ 260 light years away that ‘shouldn’t exist’
LAWRENCE — A team led by an astronomer from the University of Kansas has crunched data from NASA’s TESS and Spitzer space telescopes to portray for the first time the atmosphere of a highly unusual kind of exoplanet dubbed a…
Galactic archaeology
Supercomputers dig into first star fossils
The Milky Way galaxy has a clumpy halo
The Milky Way galaxy is in the recycling business. University of Iowa astronomers have determined our galaxy is surrounded by a clumpy halo of hot gases that is continually being supplied with material ejected by birthing or dying stars. This…
Australian research shows NASA’s James Webb telescopes will reveal hidden galaxies
Blinding glare of quasars can be overcome
Star clusters are only the tip of the iceberg
Finding lost star siblings
Anemic star cluster breaks metal-poor record
Maunakea, Hawaii – In a surprising discovery, astronomers using two Maunakea Observatories – W. M. Keck Observatory and Canada-France-Hawaii Telescope (CFHT) – have found a globular star cluster in the Andromeda Galaxy that contains a record-breaking low amount of metals.…
Modelling extreme magnetic fields and temperature variation on distant stars
New research is helping to explain one of the big questions that has perplexed astrophysicists for the past 30 years – what causes the changing brightness of distant stars called magnetars.
Scientists develop detector for investigating the sun
Researchers from MIPT have developed a prototype detector of solar particles. The device is capable of picking up protons at kinetic energies between 10 and 100 megaelectronvolts, and electrons at 1-10 MeV. This covers most of the high-energy particle flux…
Death by spaghettification: Scientists record last moments of star devoured by black hole
A rare blast of light, emitted by a star as it is sucked in by a supermassive black hole, has been spotted by scientists using telescopes from around the world.
Studying the sun as a star to understand stellar flares and exoplanets
New research shows that sunspots and other active regions can change the overall solar emissions.
Death by spaghettification: Scientists record last moments of star devoured by black hole
A rare blast of light, emitted by a star as it is sucked in by a supermassive black hole, has been spotted by scientists using telescopes from around the world. The phenomenon, known as a tidal disruption event, is the…
Studying the sun as a star to understand stellar flares and exoplanets
New research shows that sunspots and other active regions can change the overall solar emissions. The sunspots cause some emissions to dim and others to brighten; the timing of the changes also varies between different types of emissions. This knowledge…
Hubble sees swirls of forming stars
At around 60 million light-years from Earth, the Great Barred Spiral Galaxy, NGC 1365, is captured beautifully in this image by the NASA/ESA Hubble Space Telescope. Located in the constellation of Fornax (the Furnace), the blue and fiery orange swirls…
A new look at sunspots
Helping NASA scientists understand major flares and life around other stars
New measurements of the solar spectrum verify Einstein’s theory of General Relativity
This work, which verifies one of the predictions of Einstein’s General Relativity, is to be published in the journal Astronomy & Astrophysics . The General Theory of Relativity, published by Albert Einstein between 1911 and 1916, introduced a new concept…
Researchers find “missing link” between magnetars and rotation-powered pulsars
Researchers from the RIKEN Cluster for Pioneering Research have made observations of a new magnetar, called Swift J1818.0-1607, which challenges current knowledge about two types of extreme stars, known as magnetars and pulsars. The research, just published in The Astrophysical…
New research explores how super flares affect planets’ habitability
Ultraviolet light from giant stellar flares can destroy a planet’s habitability.
New research explores how super flares affect planets’ habitability
UNC-Chapel Hill and NASA measure temperature for the largest ever sample of super flares
Astronomers turn up the heavy metal to shed light on star formation
Astronomers from The University of Western Australia’s node of the International Centre for Radio Astronomy Research (ICRAR) have developed a new way to study star formation in galaxies from the dawn of time to today. “Stars can be thought of…
NASA’s TESS creates a cosmic vista of the northern sky
Familiar stars shine, nebulae glow, and nearby galaxies tantalize in a new panorama of the northern sky assembled from 208 pictures captured by NASA’s Transiting Exoplanet Survey Satellite (TESS). The planet hunter imaged about 75% of the sky in a…
On the trail of causes of radiation events during space flight
Scientists have made significant progress in understanding the sources of radiation events that could impact human space-flight operations.
Some planets may be better for life than Earth
PULLMAN, Wash. – Earth is not necessarily the best planet in the universe. Researchers have identified two dozen planets outside our solar system that may have conditions more suitable for life than our own. Some of these orbit stars that…
On the trail of causes of radiation events during space flight
Lessons from conjunction observations with ISS detectors and the Arase satellite
Looking sharp: Most detailed image yet of famous stellar nursery
The Carina Nebula observed in unprecedented detail with adaptive optics
Revealing secret of lithium-rich stars by monitoring their heartbeats
Lithium is an ancient element that is almost as old as the universe itself. As one of the building blocks of our present-day universe though, the context of lithium observed in many celestial bodies often disaccord with predictions of classic…