Gamma-ray

Gamma-ray flashes from plasma filaments

The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from visible light to…

HAWC Gamma-ray Observatory reveals new look at the very-high-energy sky

The United States and Mexico constructed the High Altitude Water Cherenkov (HAWC) Gamma-ray Observatory to observe some of the most energetic phenomena in the…

Astronomers found a star with a record variation period

The Lomonosov Moscow State University astronomers who created a global network of robotelescopes MASTER detected that a bright star TYC 2505-672-1 has actually…

NASA missions monitor a waking black hole

The outburst came from V404 Cygni, a binary system located about 8,000 light-years away that contains a black hole. Every couple of decades the black hole…

Observed by Texas telescope: Light from huge explosion 12 billion years ago reaches Earth

Intense light from the enormous explosion of a star more than 12 billion years ago — shortly after the Big Bang — recently reached Earth and was visible in the…

Violent gamma-ray outbursts near supermassive black holes

A team led by Lars Fuhrmann from MPIfR Bonn, performed intensive, multi-frequency radio observations with some of the best single-dish radio telescopes in…

Gamma-ray Astronomy: Site negotiations for Cherenkov Telescope Array started

Chile and Namibia as well as Argentina as a third option have been selected from the candidates on the southern hemisphere for concrete negotiations. This has…

NASA's Fermi Makes First Gamma-ray Study of a Gravitational Lens

This accomplishment opens new avenues for research, including a novel way to probe emission regions near supermassive black holes. It may even be possible to…

Glimpsing the Infrastructure of a Gamma-ray Burst Jet

Gamma-ray bursts are the most luminous explosions in the cosmos. Most are thought to be triggered when the core of a massive star runs out of nuclear fuel,…

NASA Sees 'Watershed' Cosmic Blast in Unique Detail

A trio of NASA satellites, working in concert with ground-based robotic telescopes, captured never-before-seen details that challenge current theoretical…

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