STELLAR CHEMISTRY - SKY NIGHTLY

Ultraviolet shines light on origins of the solar system

Oct 21, 2020 (SPX)

"It has been recently demonstrated that variations in isotopic compositions of many elements in our solar system were inherited from the protosolar molecular cl...

A trillion turns of light nets terahertz polarized bytes

Oct 20, 2020 (SPX)

"Polarized light can be used to encode bits of information, and we've shown it's possible to modulate such light at terahertz frequencies," said Rice University...

The Milky Way galaxy has a clumpy halo

Oct 20, 2020 (SPX)

The findings come from observations made by HaloSat, one of a class of minisatellites designed and built at Iowa - this one primed to look at the X-rays emitted...

Qamcom wins prestigious space project

Oct 20, 2020 (SPX)

In short, an important facilitator in our efforts to unveil the secrets of the universe. The plant is due to be complete within the next decade. Qamcom has been...

Ottawa researchers find cheaper, faster way to measure the electric field of light

Oct 19, 2020 (SPX)

To learn more, we talked to Aleksey Korobenko, a postdoctoral fellow in the Department of Physics at the University of Ottawa, and lead author of "Femtosecond s...

Anemic star cluster breaks metal-poor record

Oct 16, 2020 (SPX)

The stars in the cluster, called RBC EXT8, have on average 800 times less iron than our Sun and are three times more iron-poor than the previous globular cluste...

Supergiant Star Betelgeuse Smaller, Closer Than First Thought

Oct 16, 2020 (SPX)

Dr. Joyce says the supergiant - which is part of the Orion constellation - has long fascinated scientists. But lately, it's been behaving strangely. "It's norma...

New M92 Stellar Stream Discovered

Oct 16, 2020 (SPX)

Stellar streams are long thin streams of stars formed as globular clusters or dwarf galaxies are ripped apart by the immense gravity of the Milky Way. The struc...

Upgraded GMRT measures the mass of hydrogen in distant galaxies

Oct 16, 2020 (SPX)

Galaxies in the universe are made up mostly of gas and stars, with gas being converted into stars during the life of a galaxy. Understanding galaxies thus requi...

Star clusters are only the tip of the iceberg

Oct 16, 2020 (SPX)

"Our Sun is thought to have formed in a star cluster but has left its siblings behind a long time ago" he adds. Thanks to the ESA Gaia spacecraft's precise meas...

The Recipe for Powerful Quasar Jets

Oct 15, 2020 (SPX)

Using data from NASA's Chandra X-ray Observatory, ESA's XMM-Newton, Germany's ROentgen SATellite (ROSAT), the NSF's Karl G. Jansky Very Large Array, the Sloan D...

Physicists conduct controlled transport of stored light experiment

Oct 14, 2020 (SPX)

They have demonstrated that the controlled transport process and its dynamics has only little impact on the properties of the stored light. The researchers used...

The puzzle of the strange galaxy made almost entirely of dark matter

Oct 14, 2020 (SPX)

However, a few years ago, the discovery of a very diffuse object, named Dragonfly 44, changed this view. It was found that this galaxy has 10,000 times more dar...

Modelling extreme magnetic fields and temperature variation on distant stars

Oct 14, 2020 (SPX)

Magnetars were formed from stellar explosions or supernovae and they have extremely strong magnetic fields, estimated to be around 100 million, million times gr...

Researchers chronicle the Spitzer Space Telescope's legacy

Oct 11, 2020 (SPX)

A national team of scientists have published in the journal Nature Astronomy two papers that provide an inventory of the major discoveries made possible thanks ...

Astronomers Produce Largest 3D Catalog of Galaxies

Oct 09, 2020 (SPX)

The resulting 3D catalog is now available as a high-level science product through the Mikulski Archive for Space Telescopes. It is approximately 300 GB in size,...

Researchers Find Missing Link Between Magnetars And Rotation-Powered Pulsars

Oct 09, 2020 (SPX)

Magnetars as well as some young rotation-powered pulsars - another type of pulsar - emit powerful X-ray beams, but the mechanism is believed to be different. Wi...

Carbon Creation Finding Set to Rock Astrophysics

Oct 09, 2020 (SPX)

Physicists at the Australian National University and the University of Oslo reproduced how stars make carbon through a fleeting partnership of helium atoms know...

Intelligent nanomaterials for photonics

Oct 08, 2020 (SPX)

This significant interest is due to their outstanding properties, which have enormous potential for a wide variety of applications. For instance, combined with ...

Gemini South's high-def version of 'A Star is Born'

Oct 07, 2020 (SPX)

Using a wide-field adaptive optics camera that corrects for distortion from Earth's atmosphere, Rice University's Patrick Hartigan and Andrea Isella and Dublin ...