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UrduScientists from Cardiff University peer 12 billion years into the past to reveal distant galaxy with an unexpected appearance
Tag: STARS/THE SUN
Vaporised crusts of Earth-like planets found in dying stars
Remnants of planets with Earth-like crusts have been discovered in the atmospheres of four nearby white dwarf stars by University of Warwick astronomers, offering a glimpse of the planets that may have once orbited them up to billions of years ago.
A new way of forming planets
In the last 25 years, scientists have discovered over 4000 planets beyond the borders of our solar system. From relatively small rock and water worlds to blisteringly hot gas giants, the planets display a remarkable variety. This variety is not…
A new way to look for life-sustaining planets
New capabilities developed by an international team of astronomers make it possible to directly image planets that could potentially harbor life within the habitable zone of a neighboring star system
Astronomers confirm orbit of most distant object ever observed in our solar system
Scientists have collected enough observations to determine the planetoid’s orbit based on its slow motion across the sky
Spectacular ‘honeycomb heart’ revealed in iconic stellar explosion
A unique ‘heart-shape’, with wisps of gas filaments showing an intricate honeycomb-like arrangement, has been discovered at the centre of the iconic supernova remnant, the Crab Nebula. Astronomers have mapped the void in unprecedented detail, creating a realistic three-dimensional reconstruction.…
A new method to search for potentially habitable planets
New capabilities developed by an international team of astronomers make it possible to directly image planets that could potentially harbour life in the habitable zone of a nearby system
Embry-Riddle alumna helps unravel key mysteries of rare stars
Within the constellation Cygnus, an elderly star and its massive companion are having one last hurrah, flinging off mass at an incredible rate before they explode as supernovae and collapse into a black hole. Now, researchers including recent Embry-Riddle Aeronautical…
Astronomers offer possible explanation for elusive dark-matter-free galaxies
UC Riverside-led study finds extreme tidal mass loss in dwarf galaxies formed in a simulation
Rare blast’s remains discovered in Milky Way’s center
Astronomers may have found our galaxy’s first example of an unusual kind of stellar explosion. This discovery, made with NASA’s Chandra X-ray Observatory, adds to the understanding of how some stars shatter and seed the universe with elements critical for…
Scholar to discuss the applications of quantum technology
Virtual talk will focus on leveraging quantum information to revolutionize computing
Radiative cooling and solar heating from one system, no electricity needed
Study describes passive cooling system that aims to help impoverished communities, reduce cooling and heating costs, lower CO2 emissions
The secrets of 3000 galaxies laid bare
Completion of Australian-led astronomy project sheds light on the evolution of the Universe
Astronomers detect extended dark matter halo around ancient dwarf galaxy
Findings suggest the first galaxies in the universe were more massive than previously thought
Harnessing the power of AI to understand warm dense matter
CASUS researchers develop effective tool to describe exotic state of matter
New NCAR-Wyoming supercomputer to accelerate scientific discovery
New system will advance nation’s understanding of geosciences
NASA’s Roman mission will probe galaxy’s core for hot Jupiters, brown dwarfs
When it launches in the mid-2020s, NASA’s Nancy Grace Roman Space Telescope will explore an expansive range of infrared astrophysics topics. One eagerly anticipated survey will use a gravitational effect called microlensing to reveal thousands of worlds that are similar…
Solar activity reconstructed over a millennium
What goes on in the sun can only be observed indirectly. Sunspots, for instance, reveal the degree of solar activity – the more sunspots are visible on the surface of the sun, the more active is our central star deep…
NASA explores solar wind with new view of small sun structures
Scientists have combined NASA data and cutting-edge image processing to gain new insight into the solar structures that create the Sun’s flow of high-speed solar wind, detailed in new research published today in The Astrophysical Journal. This first look at…
Study: X-Rays surrounding ‘Magnificent 7’ may be traces of sought-after particle
Researchers say they may have found proof of theorized axions, and possibly dark matter, around group of neutron stars
Hubble pinpoints supernova blast
The NASA/ESA Hubble Space Telescope has observed the supernova remnant named 1E 0102.2-7219. Researchers are using Hubble’s imagery of the remnant object to wind back the clock on the expanding remains of this exploded star in the hope of understanding…
Mapping our sun’s backyard
Astronomers and citizen scientists produce the most complete 3D map of cool brown dwarfs in the Sun’s neighborhood
Shining a new light on dark energy
Dark Energy Survey releases catalog of 700 million objects
NASA missions unmask magnetar eruptions in nearby galaxies
On April 15, 2020, a brief burst of high-energy light swept through the solar system, triggering instruments on several NASA and European spacecraft. Now, multiple international science teams conclude that the blast came from a supermagnetized stellar remnant known as…
NASA missions help investigate an ‘Old Faithful’ active galaxy
During a typical year, over a million people visit Yellowstone National Park, where the Old Faithful geyser regularly blasts a jet of boiling water high in the air. Now, an international team of astronomers has discovered a cosmic equivalent, a…
‘Old Faithful’ cosmic eruption shows black hole ripping at star
Regular flares are first of their kind witnessed by humans
Galaxy mergers could limit star formation
Astronomers have looked nine billion years into the past to find evidence that galaxy mergers in the early universe could shut down star formation and affect galaxy growth. New research led by Durham University, UK, the French Alternative Energies and…
Measurements of pulsar acceleration reveal Milky Way’s dark side
It is well known that the expansion of the universe is accelerating due to a mysterious dark energy. Within galaxies, stars also experience an acceleration, though this is due to some combination of dark matter and the stellar density. In…
Chandra studies extraordinary magnetar
In 2020, astronomers added a new member to an exclusive family of exotic objects with the discovery of a magnetar. New observations from NASA’s Chandra X-ray Observatory help support the idea that it is also a pulsar, meaning it emits…
The upside of volatile space weather
Robust stellar flares might not prevent life on exoplanets, could facilitate its detection
How nearby galaxies form their stars
Stars are born in dense clouds of molecular hydrogen gas that permeates interstellar space of most galaxies. While the physics of star formation is complex, recent years have seen substantial progress towards understanding how stars form in a galactic environment.…
Recently discovered comet seen during 2020 total solar eclipse
As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun — a recently discovered comet. This comet was first spotted in satellite data by Thai…
The Milky Way primordial history and its fossil findings
Just as archaeologists dig hoping to find traces of the past, an international group of astrophysicists managed to get into the thick cloud of dust around the centre of the Milky Way (also known as the bulge) discovering primordial clumps…
Multi-messenger astronomy offers new estimates of neutron star size and universe expansion
Study finds neutron stars are typically about 11.75 kilometers in radius, and provides a novel calculation of the Hubble constant.
Artificial intelligence classifies supernova explosions with unprecedented accuracy
A new machine learning algorithm trained only with real data has classified over 2,300 supernovae with over 80% accuracy
Graduate student’s BADASS code has astronomical benefits
Open-source code developed at UC Riverside is free, versatile, and easy to use
A pair of lonely planet-like objects born like stars
Star-forming processes sometimes create mysterious astronomical objects called brown dwarfs, which are smaller and colder than stars, and can have masses and temperatures down to those of exoplanets in the most extreme cases. Just like stars, brown dwarfs often wander…
Massive underground instrument finds final secret of our sun’s fusion
A hyper-sensitive instrument, deep underground in Italy, has finally succeeded at the nearly impossible task of detecting CNO neutrinos (tiny particles pointing to the presence of carbon, nitrogen and oxygen) from our sun’s core. These little-known particles reveal the last…
Artificial intelligence sets sights on the sun
Scientists from the University of Graz and the Kanzelhöhe Solar Observatory (Austria) and their colleagues from the Skolkovo Institute of Science and Technology (Skoltech) developed a new method based on deep learning for stable classification and quantification of image quality…
Exoplanet around distant star resembles reputed ‘Planet Nine’ in our solar system
Astronomers confirm bound orbit for planet far from its star, showing that far-flung planets exist
Using Earth’s history to inform the search for life on exoplanets
UC Riverside-led team looks back to find life beyond
New sunspot cycle could be one of the strongest on record, new research predicts
Scientists use an extended, 22-year solar cycle to make the forecast
Scientists get the lowdown on sun’s super-hot atmosphere
Orbiting instrument hints at how stored magnetic energy heats solar atmosphere
Voyager spacecraft detect new type of solar electron burst
Physicists report accelerated electrons linked with cosmic rays
Gaia: astronomers to release most accurate data ever for nearly two billion stars
On 3 December an international team of astronomers will announce the most detailed ever catalogue of the stars in a huge swathe of our Milky Way galaxy. The measurements of stellar positions, movement, brightness and colours are in the third…
Scientists peer into the 3D structure of the Milky Way
Survey of the sky pushes the boundaries of what we know about the structure of our galaxy
Planetary scientist named key partner on NASA’s Lunar Trailblazer mission
Christopher Edwards joins multi-institutional team led by Caltech to design and build instrumentation for satellite to study the Moon’s water cycle and make critical basemaps
Earth faster, closer to black hole in new map of galaxy
Earth just got 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don’t worry, this doesn’t mean that our planet is plunging towards the black hole.
Galaxy encounter violently disturbed Milky Way, study finds
The long-held belief that the Milky Way, the galaxy containing Earth and the solar system, is relatively static has been ruptured by fresh cosmic insight
Milky Way family tree
Astrophysicists reconstruct the galaxy merger history of our home galaxy