STELLAR CHEMISTRY

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NASA, SpaceX study boosting Hubble to extend its lifespan
Sep 29, 2022 (AFP)
The renowned observatory has been operating since 1990 about 335 miles (540 kilometers) above Earth, in an orbit that slowly decays over time. Hubble has no on-...
Webb's icy instrument reveals complex structures
Sep 28, 2022 (ESA)
The Webb image shows the spiral galaxy in unprecedented detail thanks to observations from its Mid-InfraRed Instrument (MIRI). IC 5332 lies over 29 million ligh...
UH astronomers map distances to 56,000 galaxies, largest-ever catalog
Sep 27, 2022 (SPX)
Galaxies, such as the Milky Way, are the building blocks of the universe, each comprised of up to several hundred billion stars. Galaxies beyond our immediate n...
Newly discovered gravitational lenses could reveal ancient galaxies and dark matter
Sep 27, 2022 (SPX)
Now astronomer Kim-Vy Tran from ASTRO 3D and UNSW Sydney and colleagues have assessed 77 of the lenses using the Keck Observatory in Hawai'i and Very Large Tele...
Mysterious ripples in the Milky Way were caused by a passing dwarf galaxy
Sep 25, 2022 (SPX)
Our cosmic home, the Milky Way, contains between 100 and 400 billion stars. Astronomers believe that the galaxy was born 13.6 billion years ago, emerging from a...
Webb captures clearest view of Neptune's rings in decades
Sep 21, 2022 (SPX)
Most striking in Webb's new image is the crisp view of the planet's rings - some of which have not been detected since NASA's Voyager 2 became the first spacecr...
Researchers at SLAC use purified liquid xenon to search for mysterious dark matter particles
Sep 21, 2022 (SPX)
"People have been searching for dark matter for over 30 years, and no one has had a convincing detection yet," said Dan Akerib, professor of particle physics an...
Master student discovers a group of galaxies clustered together in the early Universe
Sep 16, 2022 (SPX)
Like most humans, galaxies do not like to travel the cosmos alone. Instead they tend to assemble in smaller groups or gagantic clusters that reside within the m...
Where do high-energy particles that endanger satellites, astronauts and airplanes come from
Sep 15, 2022 (SPX)
This week, in a paper in The Astrophysical Journal Letters, authors Luca Comisso and Lorenzo Sironi of Columbia's Department of Astronomy and the Astrophysics L...
Simulation aids the search for the origin of cosmic rays
Sep 15, 2022 (SPX)
The researchers hope it will help them solve the mystery of the sources of cosmic rays. So far, we do not know which celestial objects emit the high-energy radi...
Western researchers among first to capture James Webb Space Telescope images
Sep 13, 2022 (SPX)
The new images released today were targeted by an international collaboration, which includes researchers from Western University. "We are blown away by the bre...
Webb telescope captures 'breathtaking' images of Orion Nebula
Sep 12, 2022 (AFP)
An international research team on Monday revealed the first images of the Orion Nebula captured with the James Webb Space Telescope, leaving astronomers "blown ...
Is over-eating to blame for bulges in Milky Way bar
Sep 12, 2022 (SPX)
Astronomy is revealing the structure of the Milky Way Galaxy in which we live in increasing detail. We know that it is a disk galaxy, with two- or four- armed s...
Unraveling a mystery surrounding cosmic matter
Sep 09, 2022 (SPX)
Physicists at the University of California, Riverside, and Tsinghua University in China have now opened a new pathway for probing the cosmic origin of matter by...
Hubble finds spiraling stars, providing window into early universe
Sep 09, 2022 (SPX)
Now astronomers are bemused to find young stars that are spiraling into the center of a massive cluster of stars in the Small Magellanic Cloud, a satellite gala...
Massive stars' blasts hitting Orion's sword mapped in unprecedented detail
Sep 07, 2022 (SPX)
This irradiated neutral zone, called a Photo-Dissociation Region (PDR), is located in the Orion Bar within the Orion Nebula, an active star-forming site found i...
Gamma rays from neighboring galaxy related to millisecond pulsars
Sep 07, 2022 (SPX)
The center of our galaxy is blowing a pair of colossal bubbles of gamma radiation (the magenta structures in the image above) that span a whopping 50,000 light-...
Far-infrared detector KID reaches highest possible sensitivity
Sep 07, 2022 (SPX)
In 2004, SRON decided to break this vicious circle and invest in the development of Kinetic Inductance Detectors (KIDs). Now researchers from SRON and TU Delft ...
Red Giant Betelgeuse was yellow some 2,000 years ago
Sep 06, 2022 (SPX)
Astrophysicists of Friedrich Schiller University Jena, Germany, together with colleagues of other subjects from the USA and Italy, have now been successful to d...
Astronomers obtain sky's large-field X-ray maps
Sep 06, 2022 (XNA)
The Wide-field X-ray Telescope, launched into orbit on July 27 by a solid-propellant-fuelled rocket, is the first large-field X-ray imaging telescope, according...
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