Science news articles about 'active galactic nuclei'

... gamma-ray bursts). For the demonstration from China the telescopes were targeting mainly "active galactic nuclei" — supermassive black holes at the heart of distant galaxies. Material being dragged ...

... holes between 1 million and 100 million times heavier than the sun. All of these active galactic nuclei have been described, and data is available through the NASA/IPAC Extragalactic Database. After ...

... . Until recently, astronomers believed that active galactic nuclei (AGN)—the supermassive, extremely energetic ... t see AGN in any galaxies that are still actively forming stars simply because the light ...

... read scattered light when investigating active galactic nuclei and for identifying proto-planets around ... calibration stalled his investigation of active galactic nuclei and needed to be fixed before he ...

... most violent cosmic objects such as supernovae, active galactic nuclei, and gamma ray bursts. They allow us ... the first time to pin down the location of activity during the gamma-ray outbursts and thus ...

... enable astrophysicists to better understand what happens around black holes and in active galactic nuclei. Scientists will also better understand the application of high-energy density plasmas to ...

... . A wide variety of astrophysical phenomena, such as pulsars, active galactic nuclei, gamma-ray bursts and some binary star systems are known to produce photons exceeding many MeVs. ...

... from debris falling back onto the nucleus. In addition to this active star-forming region, both ... can further characterise objects like active galactic nuclei and nuclear star formation by revealing ...

... holes at their centers. The ionized jets are detected at radio wavelengths, and sometimes in the optical, but most of these active galactic nuclei also produce X-rays in the vicinities of the nuclei.