This newly expanded and thoroughly updated third edition examines accretion as a source of energy in both binary star systems containing compact objects, and in active galactic nuclei. Assuming a ...

Truss, M. R. Wynn, G. A. Murray, J. R. and King, A. R. 2002. The origin of the rebrightening in soft X-ray transient outbursts. Monthly Notices of the Royal ...

During growth phases, SMBH are observed as active galactic nuclei (AGN); the SMBH grows by accreting interstellar gas ... As the dust absorbs UV/optical radiation from the accretion disk around the ...

These Active Galactic Nuclei (AGN) can outshine all of the starlight ... allows us to probe the properties of the black hole itself. We numerically model the appearance of these systems in X-rays (see ...

The model they proposed is that the protons accelerated in the radio-emitting active galactic nuclei are actually interacting with the gas and matter in the accretion flow, which can extend far ...

An artist's rendering of what's called an active galactic nucleus at the center of NGC 4151. The galaxy's black hole sits at the center, immediately surrounded by an accretion disk shown in blue.

The James Webb Space Telescope has discovered lonely quasars in the early universe, with "empty larders" that defy theories ...

特斯拉Model Y定位于为中型SUV，同时也是特斯拉的第五款量产车型，其基于Model 3平台开发而来，因此设计风格上与Model 3十分相似。尽管外观很相似，但是车身尺寸方面，Model Y确实要比Model 3要实在很多，Model Y比Model 3长了56mm、宽了71mm、高了181mm、轴距长了15mm ...

In some cases, these black holes are surrounded by matter they feed on, in the form of plate-like disks called accretion disks ... These luminous central galactic regions are called active ...

An artist's rendering of what's called an active galactic nucleus at the center of NGC 4151. The galaxy's black hole sits at the center, immediately surrounded by an accretion disk shown in blue.

An accretion disk surrounds the black hole ... That's what we see as the active galactic nucleus. A team of astronomers, led by Cambridge University professor Roberto Maiolino, used the JWST ...