Search results for synchrotron emission

Astronomy Dec 11, 2023

Webb stuns with new high-definition look at exploded star

Objects in space reveal different aspects of their composition and behavior at different wavelengths of light. Supernova remnant Cassiopeia A (Cas A) is one of the most well-studied objects in the Milky Way across the wavelength ...

General Physics Nov 3, 2023

Physicists ask: Can we make a particle collider more energy efficient?

Ever since the discovery of the Higgs boson in 2012, physicists have wanted to build new particle colliders to better understand the properties of that elusive particle and probe elementary particle physics at ever-higher ...

Astronomy Oct 30, 2023

The Crab Nebula seen in new light by NASA's Webb

Exquisite, never-before-seen details help unravel the supernova remnant's puzzling history.

Astronomy Oct 5, 2023

Scientists discover the highest energy gamma-rays ever from a pulsar

Scientists using the H.E.S.S. observatory in Namibia have detected the highest energy gamma rays ever from a dead star called a pulsar. The energy of these gamma rays clocked in at 20 tera-electronvolts, or about 10 trillion ...

Astronomy Aug 28, 2023

New supernova remnant detected with ASKAP

Using the Australian Square Kilometer Array Pathfinder (ASKAP), an international team of astronomers has serendipitously detected a new Galactic supernova remnant (SNR), which received designation SNR G288.8–6.3. The finding ...

Materials Science Aug 11, 2023

Developing new catalysts for carbon dioxide electroreduction

As a crucial part of Carbon Capture, Utilization, and Storage (CCUS) technology, CO2 reduction reaction (CO2RR) to carbon-based fuels and chemicals presents broad application prospects in renewable energy storage and CO2 ...

Astronomy Jul 10, 2023

Astronomers scan the skies for nanosecond pulses of light from interstellar civilizations

In 2015, Russian-Israeli billionaire Yuri Milner and his non-profit organization, Breakthrough Initiatives, launched the largest Search for Extraterrestrial Intelligence (SETI) project. Known as Breakthrough Listen, this ...

Environment Jun 6, 2023

How well toxic elements leach out of coal ash depends on the ash's nanoscale composition, shows study

Everyone knows that burning coal causes air pollution that is harmful to the climate and human health. But the ash left over can often be harmful as well.

Astronomy Jun 6, 2023

Not your average space explosion: Very long baseline array finds classical novae are anything but simple

While studying classical novae using the National Radio Astronomy Observatory's Very Long Baseline Array (VLBA), a graduate researcher uncovered evidence showing that the objects may have been erroneously typecast as simple. ...

Astronomy Jun 5, 2023

Research investigates spectral changes of blazar OJ 287

Using NASA's Neil Gherels Swift Observatory, Indian astronomers have observed a blazar known as OJ 287. Results of the observational campaign, published May 25 on the arXiv pre-print server, shed more light on the spectral ...

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