STELLAR CHEMISTRY

News About Stellar Chemistry

4,992 articles

Earth isn't 'super' because the Sun had rings before planets
Jan 06, 2022 (SPX)
Izidoro and colleagues used a supercomputer to simulate the solar system's formation hundreds of times. Their model, which is described in a study published onl...
MIRI Instrument Marks a First Milestone in Space
Jan 06, 2022 (SPX)
"MIRI has a Contamination Control Cover, because the constraints of its extra-cold operating temperature mean that it is not possible to include other means of ...
Webb Secondary Mirror Deployment Confirmed
Jan 06, 2022 (SPX)
The secondary mirror is supported by three lightweight deployable struts that are each almost 25 feet long and are designed to withstand the space environment. ...
SwRI scientist helps simulate how our solar system formed from rings
Jan 06, 2022 (SPX)
"As dust particles move slightly faster than the gas around them, they feel a headwind and drift very quickly toward the star," said Deienno, who contributed to...
FAST detects coherent interstellar magnetic field with a technique conceived at Arecibo
Jan 06, 2022 (SPX)
While Michael Faraday was already probing the link between magnetism and electricity with coils in the early 19th century in the basement of the Royal Instituti...
Real-time alert system heralds new era in fast radio burst research
Jan 05, 2022 (SPX)
It is not uncommon for the CHIME/FRB project to pinpoint several FRB events in a single day of operation as it sifts through nearly 1 million gigabytes of data ...
Sunshield deploys on NASA's Next Flagship Telescope
Jan 05, 2022 (SPX)
"This is the first time anyone has ever attempted to put a telescope this large into space," said Thomas Zurbuchen, associate administrator for NASA's Science M...
New epoch of miniaturized Cherenkov detectors
Jan 05, 2022 (SPX)
With the help of Cherenkov radiation, scientists discovered many elementary particles including anti-proton and J-particle. Owing to its impacts on both the fun...
Webb telescope fully deploys sunshield in mission milestone
Jan 04, 2022 (AFP)
"All five layers of the sunshield are fully tensioned," said an announcer at the observatory's control center in Baltimore, where team members cheered, a live f...
Kerstin Perez is searching the cosmos for signs of dark matter
Jan 04, 2022 (SPX)
Perez, a particle physicist at MIT, is hoping that a high-altitude balloon experiment, to be launched into the Antarctic stratosphere in late 2022, will catch i...
Webb deployment timeline adjusted to focus on initial spacecraft operations
Jan 03, 2022 (SPX)
As a result, the Webb mission operations team has moved the beginning of sunshield tensioning activities to no earlier than tomorrow, Monday, Jan. 3. This will ...
James Webb telescope begins crucial sun shield tensioning
Jan 03, 2022 (UPI)
The $10 billion space telescope -- the largest and most powerful in history -- still is in the first half of its 29-day deployment schedule as it flies through ...
Integrated photonics meets electron microscopy
Jan 01, 2022 (SPX)
In a new study, researchers have successfully demonstrated extremely efficient electron beam modulation using integrated photonic microresonators. The study was...
Webb Telescope successfully unfurls crucial sunshield
Jan 01, 2022 (UPI)
The telescope's second, or starboard, sunshield mid-boom was extended late Friday as the observatory "passed another critical deployment milestone," the space a...
Three rings to bind them in ancient cosmic history
Jan 01, 2022 (SPX)
The broad-stroke picture of planet formation around stars has been unchanged for decades. But many of the specifics are still unexplained - and the search for e...
NASA plans coverage of Webb Space Telescope Deployments
Jan 01, 2022 (SPX)
Webb, an international partnership with the ESA (European Space Agency) and the Canadian Space Agency, launched Dec. 25 from Europe's Spaceport in Kourou, Frenc...
Webb Telescope Aft Sunshield Pallet Deployed
Dec 29, 2021 (SPX)
The team began working through the deployment of the forward pallet this morning, concluding at approximately 1:21 p.m. EST. The team then moved on to the aft p...
James Webb telescope completes tower extension
Dec 29, 2021 (UPI)
The latest maneuver for the $10 billion observatory was to extend its Deployable Tower Assembly, which hoists the giant gold reflective mirror a little further ...
NASA's Webb Telescope Keeping Cool with Ultra-thin DuPont Kapton Polyimide Films
Dec 29, 2021 (SPX)
Space is one of the most hostile and extreme environments imaginable. Above the insulating atmosphere of the Earth, spacecraft are subjected to extreme temperat...
Tracking down the forces that shaped our solar system's evolution
Dec 28, 2021 (SPX)
In their youth, stars are surrounded by a rotating disk of gas and dust. Over time, these materials aggregate to form larger bodies, including planets. Some of ...
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