STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Physicists develop fast and sensitive mechanical tool to measure light
Oct 18, 2019 (SPX)
The technology out of the Aleman Lab, known as a "graphene nanomechanical bolometer," leverages a new method and an ultrathin material, and could have wide-spre...
Hubble observes first confirmed interstellar comet
Oct 17, 2019 (SPX)
This Hubble image, taken on Oct. 12, 2019, is the sharpest view of the comet to date. Hubble reveals a central concentration of dust around the nucleus (which i...
New understanding of the evolution of cosmic electromagnetic fields
Oct 16, 2019 (SPX)
One such mystery is the origin of electro magnetic fields on the very largest scale in the universe. While researchers have believed for some time that magnetic...
Solving the mystery of quantum light in thin layers
Oct 16, 2019 (SPX)
It consists of a series of photons that are always emitted one-by-one - never in pairs or in bunches. This anti-bunching effect is perfect for experiments in th...
Heron survey fishes out detail in ghostly galaxy outskirts
Oct 16, 2019 (SPX)
The outer regions of galaxies contain ancient stars ejected in collisions with other galaxies, as well as stars that were among the first to form in the galaxy'...
Light in a new light
Oct 14, 2019 (SPX)
The paper, titled "Multiphoton quantum-state engineering using conditional measurements," includes co-authors from the National Institute of Standards and Techn...
How supergiant stars repeatedly cool and heat up
Oct 14, 2019 (SPX)
The researchers analysed the light of four yellow hypergiants that has been observed on Earth over the past 50 to 100 years. Yellow hypergiants are huge, lumino...
FAST identify origins of puzzling signals from space
Oct 14, 2019 (Sputnik)
Chinese astrophysicists studying fast radio bursts or FRBs have reported dozens of new signals. A mysterious radio pulse, known as the FRB121102, was first dete...
The Milky Way kidnapped several tiny galaxies from its neighbor
Oct 11, 2019 (SPX)
For example, more than 50 discovered satellite galaxies orbit our own galaxy, the Milky Way. The largest of these is the Large Magellanic Cloud, or LMC, a large...
Milky Way raids intergalactic 'bank accounts,' Hubble study finds
Oct 11, 2019 (SPX)
"We expected to find the Milky Way's books balanced, with an equilibrium of gas inflow and outflow, but 10 years of Hubble ultraviolet data has shown there is m...
Milky Way's Center Will Be Revealed by NASA's Webb Telescope
Oct 10, 2019 (SPX)
NASA's upcoming James Webb Space Telescope is designed to view the universe in infrared light, which is invisible to the human eye, but is very important for lo...
Physicists have found a way to 'hear' dark matter
Oct 10, 2019 (SPX)
Dark matter is a mysterious substance that makes up 85% of the matter in the universe. Originally introduced to explain why the Strong Force (which holds togeth...
Pressure runs high at edge of solar system
Oct 09, 2019 (SPX)
Using observations of galactic cosmic rays - a type of highly energetic particle - from NASA's Voyager spacecraft scientists calculated the total pressure from ...
Scientists observe year-long plateaus in decline of type Ia supernova light curves
Oct 08, 2019 (SPX)
The discovery is a huge step forward for astronomers as they use the brightness of these kind of supernovae to measure the rate of expansion of the universe. Th...
New shine for Sunrise's telescope
Oct 08, 2019 (SPX)
Preparatory work on the main mirror measuring one meter in diameter has already begun. At the Calar Alto Observatory in southern Spain, the mirror has now been ...
Twin baby stars grow amongst a twisting network of gas and dust
Oct 07, 2019 (SPX)
Now, thanks to the high resolution of the Atacama Large Millimeter/submillimeter Array (ALMA) and an international team of astronomers led by scientists from th...
Not long ago, the center of the Milky Way exploded
Oct 07, 2019 (SPX)
That's the finding arising from research conducted by a team of scientists led by Professor Joss Bland-Hawthorn from Australia's ARC Centre of Excellence for Al...
A dusty lab in the sky
Oct 07, 2019 (SPX)
"The traditional astronomers - the people looking at galaxies and stars - they hate dust," said Nuth, a planetary scientist at NASA's Goddard Space Flight Cente...
The role of a cavity in the hypernova ejecta of a gamma-ray burst
Oct 04, 2019 (SPX)
The approach followed by the ICRANet group, developing the binary driven hypernova (BdHN) model of long GRBs, focuses only on luminous GRBs with a large signal ...
New 'fuzzy' dark matter research disrupts conventional thinking
Oct 04, 2019 (SPX)
Scientists have long suspected that a large proportion of the universe is made up of invisible particles, or dark matter, and that these must be very cold and h...
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