STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Stellar explosions and jets showcased in new three-dimensional visualizations
Jan 30, 2020 (SPX)
A new set of computer simulations represents an exciting step in that direction. Each is a three-dimensional (3D) visualization of an astronomical object based ...
NASA'S Interstellar Mapping And Acceleration probe mission enters design phase
Jan 29, 2020 (SPX)
The IMAP mission completed its Key Decision Point-B review on Jan. 28, 2020, which now allows the IMAP team to move forward with preliminary design work on the ...
How to take a picture of a light pulse
Jan 28, 2020 (SPX)
Until now, this has required a large, complex experimental setup. Now this can be done with a tiny crystal with a diameter of less than one millimeter. The new ...
New insights about the brightest explosions in the Universe
Jan 24, 2020 (SPX)
Superluminous supernovae are the most luminous explosions in cosmos. SN 2006gy is one of the most studied such events, but researchers have been uncertain about...
Physicists trap light in nanoresonators for record time
Jan 24, 2020 (SPX)
In addition, the researchers have provided experimental proof that this resonator may be used as a basis for an efficient light frequency nanoconverter. The res...
Astronomers detect large amounts of oxygen in ancient star's atmosphere
Jan 24, 2020 (SPX)
This new finding, which was made using W. M. Keck Observatory on Maunakea in Hawaii to analyze the chemical makeup of the ancient star, provides an important cl...
Webb telescope will continue Spitzer's legacy
Jan 23, 2020 (SPX)
NASA's Spitzer Space Telescope concludes its mission on Jan. 30, 2020, after more than 16 extraordinary years of exploration. The telescope has made many discov...
Heat wave signals the growth of a stellar embryo
Jan 20, 2020 (SPX)
Although the basic principles of star formation are generally well understood, the existence of massive stars is still puzzling in some details. Due to the enor...
Taking the temperature of dark matter
Jan 17, 2020 (SPX)
We have very little idea of what dark matter is and physicists have yet to detect a dark matter particle. But we do know that the gravity of clumps of dark matt...
NASA Pays Tribute, Says Goodbye to One of Agency's Great Observatories
Jan 17, 2020 (JPL)
The event will air live on NASA Television, Facebook Live, Ustream, YouTube, Twitter and the agency's website. Experts on the program will include NASA's Direct...
Galactic gamma-ray sources reveal birthplaces of high-energy particles
Jan 15, 2020 (SPX)
"The Earth is constantly being bombarded with charged particles called cosmic rays, but because they are charged, they bend in magnetic fields and don't point b...
Russia, China consider building joint on-orbit assembling space telescope
Jan 15, 2020 (Sputnik)
"Our Chinese colleagues have asked our institute to become the scientific organization of the telescope which they are going to promote. They wanted us to provi...
Hot gas feeds spiral arms of the Milky Way
Jan 15, 2020 (SPX)
A group of astronomers from the University of Calgary in Canada, the Max Planck Institute for Astronomy (MPIA) in Heidelberg and other research institutions hav...
Merger of Milky Way with Dwarf Galaxy Dated
Jan 14, 2020 (SPX)
Using observational data from ground-based observatories and space telescopes, the scientists led by the University of Birmingham were able to determine the age...
How the solar system got its 'Great Divide,' and why it matters for life on Earth
Jan 14, 2020 (SPX)
In a study published in Nature Astronomy, researchers from the United States and Japan unveil the possible origins of our cosmic neighborhood's "Great Divide." ...
Connecting the dots in the sky could shed new light on dark matter
Jan 14, 2020 (SPX)
The glow, known as unresolved gamma-ray background, stems from sources that are so faint and far away that researchers can't identify them individually. Yet, th...
Oxygen line opens new perspective on the far universe
Jan 14, 2020 (SPX)
Normally, this spectral line cannot be captured with terrestrial telescopes. But because the light comes from distant galaxies, it is stretched and it can actua...
First sighting of hot gas sloshing in galaxy cluster
Jan 13, 2020 (ESA)
Galaxy clusters are the largest systems in the Universe bound together by gravity. They contain hundreds to thousands of galaxies and large quantities of hot ga...
Experiment on beta-decay sheds light on fate of intermediate-mass stars
Jan 13, 2020 (SPX)
A result of the measurement is that intermediate-mass stars are very likely to explode, and not, as assumed until now, collapse. The findings are now published ...
Stellar heavy metals can trace history of galaxies
Jan 10, 2020 (SPX)
Right after the Big Bang, the universe contained only hydrogen and helium. Other elements were formed later through nuclear fusion in stars or violent events li...
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