UA-113443594-1

Modelling extreme magnetic fields and temperature variation on distant stars

IMAGE: The maps show the heat distribution. The bue regions are cooler - and the yellow regions are hotter. It describes data taken from the following magentars: 4U 0142+61, 1E 1547.0-5408, XTE... view more  Credit: University of Leeds 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…

Scientists author papers in Nature Astronomy chronicling legacy of Spitzer space...

IMAGE: NAU professor David Trilling Trilling used the Spitzer Space Telescope from soon after its launch in 2003 through the end of its mission in 2020. While most of his projects... view more  Credit: Courtesy of Northern Arizona University NASA's Spitzer Space Telescope, designed to study the early universe in infrared light, was the first telescope to see light from a planet outside our solar system.…

Literal rise of the internet enables new climate science

IMAGE: A Loon balloon lifts off. Atmospheric data collected by the internet satellites could help refine weather forecasts and inform studies of climate change. view more  Credit: Loon HOUSTON - (Oct. 12, 2020) - An unintended consequence of industry's quest to expand the internet could be a boon for weather prediction and climate research. Fluid dynamicist Pedram Hassanzadeh of Rice University's Brown School of Engineering has…

Mass loss driven shape evolution model unveils formation of flattened ‘snowman’...

IMAGE: Mass loss driven shape evolution of Arrokoth analogues view more  Credit: ZHANG Xuan from PMO The small Kuiper Belt object (486958) Arrokoth, encountered by NASA's New Horizons spacecraft on Jan 1 2019, is so far the most distant and most primitive object ever explored by a spacecraft. The discoveries from the mission have provided detailed information on the object's shape, geology, color and composition, which…

Moon to Earth: WA to host space communications station

IMAGE: An artist's impression of Artemis astronauts on the Moon. view more  Credit: Credit: NASA. An optical communications station capable of receiving high-speed data transmissions from space is set to be built in Western Australia. The advanced communications ground station will be able to receive data from spacecraft anywhere between low-Earth orbit and the surface of the Moon. It has the potential to support ground-breaking space…

Death by spaghettification: Scientists record last moments of star devoured by...

IMAGE: This illustration depicts a star (in the foreground) experiencing spaghettification as it's sucked in by a supermassive black hole (in the background) during a 'tidal disruption event'. In a new... view more  Credit: ESO/M. Kornmesser 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...

IMAGE: (Foreground) The time evolution of the total brightness of various solar emissions as a group of sunspots rotated across the surface of the Sun. (Background) Images of the Sun taken... view more  Credit: ISAS/NAOJ 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…

UMD astronomers find x-rays lingering years after landmark neutron star collision

IMAGE: Researchers have continuously monitored the radiation emanating from the first (and so far only) cosmic event detected in both gravitational waves and the entire spectrum of light. The neutron star... view more  Credit: Image credit: E. Troja It's been three years since the landmark detection of a neutron star merger from gravitational waves. And since that day, an international team of researchers led by University…

ESO telescopes record last moments of star devoured by a black...

IMAGE: This illustration depicts a star (in the foreground) experiencing spaghettification as it's sucked in by a supermassive black hole (in the background) during a 'tidal disruption event'. In a new... view more  Credit: ESO/M. Kornmesser Using telescopes from the European Southern Observatory (ESO) and other organisations around the world, astronomers have spotted a rare blast of light from a star being ripped apart by a…

In the eye of a stellar cyclone

IMAGE: Infrared image of Wolf-Rayet binary, dubbed Apep, 8000 light years from Earth. view more  Credit: European Southern Observatory While on COVID lockdown, a University of Sydney honours student has written a research paper on a star system dubbed one of the "exotic peacocks of the stellar world". Only one in a hundred million stars makes the cut to be classified a Wolf-Rayet: ferociously bright, hot…
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