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Newswise: Galactic gamma-ray sources reveal birthplaces of high-energy particles

Galactic gamma-ray sources reveal birthplaces of high-energy particles

Los Alamos National Laboratory

Nine sources of extremely high-energy gamma rays comprise a new catalog compiled by researchers with the High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory.

Channels: Energy, High Energy Physics, Particle Physics, Physics, Space and Astronomy, Technology, All Journal News,

Released:
14-Jan-2020 10:40 AM EST
Newswise: Connecting the dots in the sky could shed new light on dark matter

Connecting the dots in the sky could shed new light on dark matter

SLAC National Accelerator Laboratory

Astrophysicists have come a step closer to understanding the origin of a faint glow of gamma rays covering the night sky. They found that this light is brighter in regions that contain a lot of matter and dimmer where matter is sparser – a correlation that could help them narrow down the properties of exotic astrophysical objects and invisible dark matter.

Channels: DOE Science News, Energy, Particle Physics, Physics, Space and Astronomy, Technology, DOE Science News, All Journal News,

Released:
13-Jan-2020 3:45 PM EST
Research Results
Newswise: Hubble Detects Smallest Known Dark Matter Clumps

Hubble Detects Smallest Known Dark Matter Clumps

Space Telescope Science Institute (STScI)

Using Hubble and a new observing technique, astronomers have uncovered the smallest clumps of dark matter ever detected. Dark matter is an invisible substance that makes up most of the universe's mass and forms the scaffolding upon which galaxies are built.

Channels: Scientific Meetings, Particle Physics, Physics, Space and Astronomy, Staff Picks,

Released:
8-Jan-2020 3:15 PM EST
Research Results
Newswise: Cosmic Magnifying Glasses Yield Independent Measure of Universe's Expansion

Cosmic Magnifying Glasses Yield Independent Measure of Universe's Expansion

Space Telescope Science Institute (STScI)

Astronomers using Hubble have made the most precise measurement yet of the universe’s expansion rate using the gravitational lensing method, which is independent from the usual cosmic distance ladder.

Channels: Scientific Meetings, Particle Physics, Physics, Space and Astronomy,

Released:
8-Jan-2020 3:15 PM EST
Research Results
Newswise: Goldilocks Stars Are Best Places to Look for Life

Goldilocks Stars Are Best Places to Look for Life

Space Telescope Science Institute (STScI)

Hubble observations suggest that orange stars, slightly cooler than our Sun, are better hangouts for life. There are more of them in our galaxy, they live much longer than our Sun, and unleash less deadly radiation than red dwarf stars.

Channels: Scientific Meetings, Particle Physics, Physics, Space and Astronomy,

Released:
8-Jan-2020 3:15 PM EST
Research Results

The Turbulent Life of Two Supermassive Black Holes Caught in a Galaxy Crash

National Radio Astronomy Observatory

An international team of astronomers used the Atacama Large Millimeter/submillimeter Array (ALMA) to create the most detailed image yet of the gas surrounding two supermassive black holes in a merging galaxy.

Channels: All Journal News, Particle Physics, Physics, Space and Astronomy, Scientific Meetings,

Released:
5-Jan-2020 3:15 PM EST
Research Results
Newswise: 220179_web.jpg

Fireballs: mail from space

University of Helsinki

When should we send expeditions to look for meteorites that have impacted Earth?

Channels: All Journal News, Particle Physics, Physics, Space and Astronomy,

Released:
19-Dec-2019 1:05 PM EST
Research Results
Newswise: Grain traits traced to ‘dark matter’ of rice genome

Grain traits traced to ‘dark matter’ of rice genome

Washington University in St. Louis

Domesticated rice has fatter seed grains with higher starch content than its wild rice relatives — the result of many generations of preferential seed sorting and sowing. But even though rice was the first crop to be fully sequenced, scientists have only documented a few of the genetic changes that made rice into a staple food for more than half the world’s population.

Channels: All Journal News, Particle Physics, Physics, Space and Astronomy,

Released:
19-Dec-2019 6:05 AM EST
Research Results
Newswise: Ivan Bazarov: Then and Now
Released:
18-Dec-2019 2:05 PM EST
Research Results
Newswise: Super Nanoparticle Superlattices

Super Nanoparticle Superlattices

Department of Energy, Office of Science

This new research shows how the ligands affect key structural and mechanical properties of the superlattices.

Channels: DOE Science News, Energy, Materials Science, Nanotechnology, Particle Physics, DOE Science News,

Released:
18-Dec-2019 11:55 AM EST
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