STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Electronics at the speed of light
Dec 30, 2019 (SPX)
Contemporary electronic components, which are traditionally based on silicon semiconductor technology, can be switched on or off within picoseconds (i.e. 10-12 ...
New rules illuminate how objects absorb and emit light
Dec 30, 2019 (SPX)
The discovery solves a longstanding problem of scale, where light's behavior when interacting with tiny objects violates well-established physical constraints o...
Counting photons is now routine enough to need standards
Dec 30, 2019 (SPX)
Single-photon detectors (SPDs) are now key to research areas ranging from optical communications and astrophysics to cutting-edge information technologies based...
Space-time metasurface makes light reflect only in one direction
Dec 30, 2019 (SPX)
Optical components that support such unidirectional flow of light, for example isolators and circulators, are indispensable building blocks in many modern laser...
Observing time awarded to prepare for data-rich era in astronomy
Dec 29, 2019 (SPX)
The workshop provided an interactive introduction to Target and Observation Management (TOM) systems and specifically the TOM Toolkit software package developed...
A new theory explaining the 'Dark Energy' phenomenon
Dec 27, 2019 (SPX)
Artyom Astashenok told: "The fact that our Universe is expanding was discovered almost a hundred years ago, but how exactly this happens, scientists realized on...
Nightside barrier gently brakes 'bursty' plasma bubbles
Dec 24, 2019 (SPX)
It's rarely quiet up there. The solar wind streams around the Earth and cruises off into the night, but closer to the planet, parcels of plasma get caught in th...
'DNA' of Twin Stars Helps Reveal Family History of Milky Way
Dec 24, 2019 (SPX)
Hawkins knows something about twin similarities and differences, being himself a fraternal twin. His own study of stellar twins "is a kind of a '23 and Me' for ...
NASA's Fermi links nearby pulsar's gamma-ray 'halo' to antimatter puzzle
Dec 20, 2019 (SPX)
"Our analysis suggests that this same pulsar could be responsible for a decade-long puzzle about why one type of cosmic particle is unusually abundant near Eart...
Spitzer studies a stellar playground with a long history
Dec 20, 2019 (JPL)
Spitzer's Multiband Imaging Photometer (MIPS) instrument took this image during Spitzer's "cold mission," which ran from the spacecraft's launch in 2003 until 2...
Self-Reflection Through Starlight
Dec 19, 2019 (SPX)
"Nope. You're not there yet. Talk to your partner. Convince them you're right," University of Arizona astronomy professor Ed Prather said bluntly. Chairs scrape...
New Image of Candy Cane-Shaped Feature in Center of Milky Way
Dec 19, 2019 (SPX)
Mark Morris, a UCLA professor of physics and astronomy and a member of the research team, discovered the structure, also called the radio arc, with a former stu...
Carbon cocoons surround growing galaxies far beyond previous beliefs
Dec 18, 2019 (SPX)
No theoretical studies have predicted such huge carbon cocoons around growing galaxies, which raises questions about our current understanding of cosmic evoluti...
RIT and IAR observe pulsars for the first time from South America
Dec 18, 2019 (SPX)
A new paper published in Astronomy and Astrophysics outlines how the team upgraded two radio telescopes in Argentina that lay dormant for 15 years in order to s...
Galaxy gathering brings warmth
Dec 18, 2019 (SPX)
The majority of galaxies do not exist in isolation. Rather, they are bound to other galaxies through gravity either in relatively small numbers known as "galaxy...
Distant Milky Way-like galaxies reveal star formation history of the universe
Dec 18, 2019 (SPX)
To learn about the star-formation history of the universe, we need to look back in time. Galaxies throughout the universe have been forming stars for the past 1...
Space telescope to study far off worlds set to be launched on Soyuz-ST
Dec 18, 2019 (Sputnik)
"During final procedures prior to the launch of the Soyuz-ST-A carrier rocket with a block of commercial space satellites, a control system error was detected a...
South Africa's MeerKAT peers deep into the Universe
Dec 18, 2019 (SPX)
To learn about the star-formation history of the universe, we need to look back in time. Galaxies throughout the universe have been forming stars for the past 1...
Ancient star burst found in central region of Milky Way
Dec 17, 2019 (SPX)
"Our unprecedented survey of a large part of the Galactic centre has given us detailed insights into the formation process of stars in this region of the Milky ...
Star formation in Milky Way's center came in bursts
Dec 17, 2019 (SPX)
The stars in question belong to a dense, disk-shaped region with a diameter of about 1,000 light-years (roughly 1% of the diameter of the Milky Way's majestic d...
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