STELLAR CHEMISTRY - SKY NIGHTLY

Arecibo Observatory reopens visitor center after telescope collapse

Mar 11, 2021 (UPI)

The visitor center and observation deck are now open to visitors who make reservations in advance. From the outdoor deck, visitors can see the valley and remain...

Ball Aerospace completes CDR for Roman Space Telescope instrument

Mar 10, 2021 (SPX)

"Now that we have passed this critical milestone, we will continue to work hand-in-hand with NASA as we move from the design phase and into building and integra...

Factoring in gravitomagnetism could do away with dark matter

Mar 05, 2021 (SPX)

Current assessments of galactic rotation curves are based upon a framework of Newtonian accounts of gravity, a new paper published in EPJ C, by Gerson Otto Ludw...

Sixth mirror casting brings Giant Magellan Telescope closer to completion

Mar 05, 2021 (SPX)

During the process, nearly 20 tons (17.5 metric tons) of extremely pure borosilicate glass made by Ohara Corporation in Japan will become a honeycomb mirror mea...

Milky Way's Merging History: Reconstructing the Cetus Stream

Mar 04, 2021 (SPX)

Researchers led by Prof. ZHAO Gang and Dr. CHANG Jiang from National Astronomical Observatories of Chinese Academy of Sciences (NAOC) reproduced the formation p...

New 'Eyewear' to Deepen the View of NASA's Roman Space Telescope

Mar 04, 2021 (SPX)

"It's incredible that we can make such an impactful change to the mission after all of the primary components have already passed their critical design reviews,...

Space hurricane observed for the first time

Mar 03, 2021 (SPX)

Hurricanes in the Earth's low atmosphere are known, but they had never before been detected in the upper atmosphere. An international team of scientists led by ...

Scientists claim that all high-energy cosmic neutrinos are born by quasars

Mar 02, 2021 (SPX)

It is believed that there are massive black holes in the centers of active galaxies in our universe. They are the heart of these objects with a luminosity of hu...

Astronomers accurately measure the temperature of red supergiant stars

Mar 02, 2021 (SPX)

Stars come in a wide range of sizes, masses and compositions. Our sun is considered a relatively small specimen, especially when compared to something like Bete...

Webb Telescope completes final functional tests to prepare for launch

Mar 02, 2021 (SPX)

These tests are known as the comprehensive systems test, which took place at Northrop Grumman, and the ground segment test, which took place in collaboration wi...

The GRANTECAN discovers the largest cluster of galaxies known in the early universe

Feb 26, 2021 (SPX)

The researchers predict that this structure, which is at a distance of 12.5 billion light years from us, will have evolved becoming a cluster similar to that of...

Advanced Cooling Technologies selected as key thermal management supplier Roman Space Telescope

Feb 26, 2021 (SPX)

ACT will be the prime thermal management supplier for the Electronics Heat Transport Subsystem (EHTS); the scope of work includes design, fabrication, and quali...

James Webb Telescope adjustments bring stars more into focus

Feb 25, 2021 (UPI)

The space agency said it completed the second and third of a seven-phase process to bring the telescope's 18 mirrors into proper alignment. NASA said it will no...

Binary stars are all around us, new map of solar neighborhood shows

Feb 23, 2021 (SPX)

The one-of-a-kind atlas, created by Kareem El-Badry, an astrophysics Ph.D. student from the University of California, Berkeley, should be a boon for those who s...

Neutrino from shredded star reveals cosmic particle accelerator

Feb 22, 2021 (UPI)

The new research -- published Monday in the journal Nature Astronomy -- suggests the violent destruction of a faraway star by a supermassive black hole was powe...

Scientists develop new, faster method for seeking out dark matter

Feb 11, 2021 (SPX)

The findings, published in the journal Nature, center on an incredibly lightweight and as-of-yet undiscovered particle called the axion. According to theory, ax...

Astronomers offer possible explanation for elusive dark-matter-free galaxies

Feb 10, 2021 (SPX)

Galaxies that appear to have little to no dark matter - nonluminous material thought to constitute 85% of matter in the universe - complicate astronomers' under...

Study of supergiant star Betelgeuse unveils the cause of its pulsations

Feb 09, 2021 (SPX)

To find out more, an international team of scientists, including Ken'ichi Nomoto at the Kavli Institute for the Physics and Mathematics of the Universe (Kavli I...

Student astronomer finds galactic missing matter

Feb 09, 2021 (SPX)

For decades, scientists have been puzzled as to why they couldn't account for all the matter in the universe as predicted by theory. While most of the universe'...

Rare blast's remains discovered in Milky Way's center

Feb 09, 2021 (SPX)

This intriguing object, located near the center of the Milky Way, is a supernova remnant called Sagittarius A East, or Sgr A East for short. Based on Chandra da...