Explore the monstrous Seyfert galaxy in space
The mass of this galaxy is 33 million solar masses. According to the study, the emission lines of Balmer and Fe II of this galaxy show that it is the nature of the NLS1…
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The mass of this galaxy is 33 million solar masses. According to the study, the emission lines of Balmer and Fe II of this galaxy show that it is the nature of the NLS1…
An international group of scientists from the US, France, England and Sweden first created a miniature version of the laboratory of a gamma ray explosion.
Hypernova is a particularly large star that collapses at the end of its life. Until the 1990s, it refers to an energy explosion with energy of more than 100 supernovae (…
A gamma ray explosion occurs when a giant star dies, exploding like a supernova and collapsing into a black hole.
This phenomenon was discovered using data from NASA's Fermi Space Telescope and High Energy Stereoscopic System (HESS).
Gamma rays (denoted by γ) are a kind of extremely high frequency electromagnetic or photonic radiation.
American scientists first discovered the strong release of gamma-ray radiation accompanied by radio waves in very short time.
According to calculations, China's latest cold atomic clock is only a second later ... 1 billion years.
The stars may turn pink when swallowing an iron-rich planet, similar to the pink-feathered crane birds that eat a lot of shrimp.
At the same time the gravitational wave was discovered in September 2015, the Fermi telescope also caught a short signal emitted from the vicinity.
The Earth is often under the attack of high-energy particles in cosmic rays, the culprit is the supermassive black hole in the center of the Milky Way.
A type of quasar called blazar is still a great mystery for scientists because of their difficult-to-explain light-emitting mechanism.
The binary star system with strong colliding star wind is the source of intense gamma radiation.
ASTRO-H satellites equipped with four X-ray telescopes and two gamma ray detectors were successfully launched from Tanegashima Space Center in Kagoshima Prefecture, sout…