STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Space Geodesy Project mapping out a bright future
Oct 03, 2019 (SPX)
The technology that powers EHT imaging is also used by scientists at NASA and worldwide to measure the Earth. Very long baseline interferometry, or VLBI, is a t...
Two ancient migration events in the Andromeda Galaxy
Oct 03, 2019 (SPX)
As dwarf galaxies are pulled in by gravity, they are also pulled apart, leaving behind long trailing streams of stars and compact star clusters. Astronomers hav...
Spitzer Space Telescope images bubbly interstellar nebula rich in newborn stars
Sep 30, 2019 (UPI)
The bubbles reveal the region's intense rate of star formation. Each of the massive, newborn stars found in the imaged interstellar cloud, a dense region of gas...
Get ready for more interstellar objects
Sep 27, 2019 (SPX)
The Yale University astronomers had just put the finishing touches on a new study suggesting that these strange, icy visitors from other planets are going to ke...
New model proposes jets go superluminal in gamma-ray bursts
Sep 27, 2019 (SPX)
Hakkila and Nemiroff propose that such superluminal jets could create the time-reversibility seen in gamma-ray burst light curves. These proposed jets, however,...
Emission from cosmic rays accelerated in ionized hydrogen regions
Sep 25, 2019 (SPX)
A number of observational studies have revealed the existence of HII regions with a mixture of thermal and non-thermal radiation. The latter represents a clue o...
Naming of new interstellar visitor, 2I Borisov
Sep 25, 2019 (SPX)
On 30 August 2019 the amateur astronomer Gennady Borisov, from MARGO observatory, Crimea, discovered an object with a comet-like appearance. The object has a co...
Blasts that produce gamma-ray bursts may exceed the speed of light
Sep 25, 2019 (UPI)
The creators of the new model, astrophysicists Jon Hakkila of the College of Charleston and Robert Nemiroff of the Michigan Technological University, claim thes...
Illinois researchers develop new framework for nanoantenna light absorption
Sep 24, 2019 (SPX)
The results, which have a broad array of applications that may include better cancer diagnostic tools, were recently published in the Nano Letters, a prestigiou...
Event Horizon Telescope Design Program Announced
Sep 23, 2019 (SPX)
Led by Principal Investigator Shep Doeleman at the Center for Astrophysics | Harvard and Smithsonian (CfA), the new ngEHT award will fund design and prototyping...
Pulsating gamma rays from neutron star rotating 707 times a second
Sep 23, 2019 (SPX)
By analyzing about 8.5 years worth of data from NASA's Fermi Gamma-ray Space Telescope, LOFAR radio observations from the past two years, observations from two ...
Deep dive for dark matter may aid all of data science
Sep 19, 2019 (SPX)
Rice astroparticle physicist Christopher Tunnell and his team have received a $1 million National Science Foundation (NSF) grant to reimagine data science techn...
From primordial black holes new clues to dark matter
Sep 18, 2019 (SPX)
The research was carried out together with his colleagues Giulio Scelfo and Matteo Viel of SISSA - International School for Advanced Studies and INFN - Istituto...
Research reveals the crucial role of recycling in the evolution of life in our universe
Sep 18, 2019 (SPX)
By investigating the different stages in the life journey of stars and gaining new knowledge about their evolutionary cycle, scientists at the Centre for Astrop...
The stellar nurseries of distant galaxies
Sep 17, 2019 (SPX)
These observations, published in Nature Astronomy, show that the distant clouds have a higher mass, density and internal turbulence than the clouds hosted in ne...
Most massive neutron star ever detected, almost too massive to exist
Sep 17, 2019 (SPX)
Though astronomers and physicists have studied and marveled at these objects for decades, many mysteries remain about the nature of their interiors: Do crushed ...
New observations help explain the dimming of Tabby's Star
Sep 17, 2019 (SPX)
In a new paper published in the Monthly Notices of the Royal Astronomical Society, astrophysicists Brian Metzger, Miguel Martinez and Nicholas Stone propose tha...
WVU astronomers help detect the most massive neutron star ever measured
Sep 17, 2019 (SPX)
The neutron star, called J0740+6620, is a rapidly spinning pulsar that packs 2.17 times the mass of the sun (which is 333,000 times the mass of the Earth) into ...
NASA's WFIRST Will Help Uncover the Universe's Fate
Sep 16, 2019 (SPX)
Until the 20th century, most people believed that the universe was static, remaining essentially unchanged throughout eternity. When Einstein developed his gene...
VISTA unveils a new image of the Large Magellanic Cloud
Sep 16, 2019 (SPX)
ESO's VISTA telescope, has been observing these two galaxies for the last decade. The newly presented image is the result of one of the many surveys that astron...
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