STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Physicists magnetize a material with light
Dec 26, 2024 (SPX)
In a study appearing in Nature, the researchers report using a terahertz laser - a light source that oscillates more than a trillion times per second - to direc...
Teledyne selected as prime contractor for key sensor on LISA Space Observatory
Dec 25, 2024 (SPX)
LISA, an ESA-led initiative supported by NASA and ESA member states, will be the first space observatory dedicated to studying gravitational waves. These ripple...
Unveiling hidden stars in the Milky Way with stellar orbital mapping
Dec 20, 2024 (SPX)
Despite advances in observational astronomy, much of the Milky Way remains hidden due to the obscuring effects of the interstellar medium and our position withi...
M87 jet observations reveal rare gamma-ray outburst
Dec 16, 2024 (SPX)
The findings, led by the Event Horizon Telescope (EHT) multi-wavelength working group, were published in *Astronomy and Astrophysics Journal*. The study analyze...
A new galaxy, much like our own
Dec 13, 2024 (SPX)
The extraordinary images - taken with NASA's James Webb Space Telescope - show a galaxy that glitters with 10 distinct star clusters that formed at different ti...
Black holes at the heart of Milky Way's largest star cluster reshaped in new research
Dec 13, 2024 (SPX)
Omega Centauri, home to nearly ten million stars, is located in the Centaurus constellation. Astronomers observed unexpectedly high velocities of stars near its...
NASA Successfully Integrates Roman Mission's Telescope, Instruments
Dec 13, 2024 (SPX)
"We're in the middle of an exciting stage of mission preparation," said Jody Dawson, a Roman systems engineer at NASA Goddard. "All the components are now here ...
Hubble reveals stunning edge-on view of spiral galaxy
Dec 13, 2024 (SPX)
In this edge-on orientation, UGC 10043's disk appears as a fine line, with dense dust lanes forming thick bands that obscure parts of the galaxy's radiant light...
A new discovery about the source of the vast energy in cosmic rays
Dec 13, 2024 (SPX)
Where does all that energy come from? For many years, scientists believed it came from shocks that occur in extreme astrophysical environments - when, for examp...
Hubble delivers unprecedented view of a quasar
Dec 06, 2024 (SPX)
According to Bin Ren of the Cote d'Azur Observatory and Universite Cote d'Azur, Hubble's observations unveiled an array of peculiar features near the quasar. "W...
Webb Telescope unveils unexpected details in Spiderweb Protocluster
Dec 05, 2024 (SPX)
The Spiderweb protocluster, a well-documented structure from the early Universe, provides a glimpse of a forming galaxy cluster. Its light, originating over 10 ...
Zwicky Transient Facility Leads to Classification of 10,000 Supernovae
Dec 05, 2024 (SPX)
The pair would ultimately go on to discover many stars whose lives ended in fiery explosions, and even coined a term for them: supernovae. In fact, Zwicky held ...
A mission design to extend the life of space telescopes
Dec 05, 2024 (SPX)
"Although the next generation of large space telescopes are being designed with serviceability in mind, there are enormous challenges with implementation," said...
A star's surface reveals chaotic nonperiodic dynamo
Dec 05, 2024 (SPX)
The Sun's spots exhibit a systematic cyclical pattern driven by its internal magnetic dynamo. However, capturing similar behavior on other stars has been a rare...
Webb highlights spiral arms of galaxy NGC 2090 in infrared detail
Nov 28, 2024 (SPX)
Previously studied by the NASA/ESA Hubble Space Telescope to refine the measurement of the Universe's expansion rate (the Hubble constant), NGC 2090 holds a pro...
China advances construction of massive steerable radio telescope
Nov 28, 2024 (SPX)
Unlike traditional fixed telescopes, this state-of-the-art instrument will transmit electromagnetic waves to planets and asteroids, receiving their return signa...
Astronomers identify potential source of mysterious stellar signals
Nov 27, 2024 (SPX)
Associate Professor Natasha Hurley-Walker, alongside then-undergraduate Csanad Horvath, identified a unique energy pulse while analyzing archival data from the ...
China FAST telescope discovers over 1000 pulsars
Nov 27, 2024 (SPX)
According to the National Astronomical Observatories under the Chinese Academy of Sciences (NAOC), FAST's pulsar discoveries outnumber those made by all foreign...
XRISM mission looks deeply into 'hidden' stellar system
Nov 26, 2024 (SPX)
Cygnus X-3 is a binary that pairs a rare type of high-mass star with a compact companion - likely a black hole. "The nature of the massive star is one factor th...
HESS Observatory identifies highest-energy cosmic-ray electrons and positrons yet observed
Nov 26, 2024 (SPX)
The universe is home to extreme environments that emit incredibly high-energy particles. Sources such as supernova remnants, pulsars, and active galactic nuclei...
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