ESA - ESA's high-energy observatories spot doughnut-shaped cloud with a black-hole filling

Using ESA’s Integral and XMM-Newton observatories, an international team of astronomers has found more evidence that massive black holes are surrounded by a doughnut-shaped gas cloud, called a torus. Depending on our line of sight, the torus can block the view of the black hole in the centre. The team looked `edge on’ into this doughnut to see features never before revealed in such a clarity.

Hubble Space Telescope 2019 - eoPortal

Event Horizon Telescope snags new funding to capture first movie of a black hole The

A hundred satellites, all talking at once. Here's the intel., Air & Space Magazine

2013 in science - Wikipedia

Hubble Space Telescope spots hungry black hole twisting star into doughnut shape and chowing down on it - BBC Science Focus Magazine

supermassive black holes Archives - AAS Nova

2004年8月 星が好きな人のための新着情報

Projects - eo science for society

Astronomy – sciencesprings

Friends of NASA

Herschel space observatory Archives - Page 4 of 4 - Universe Today

What are some nice photos of galaxies interacting with one another? - Quora

black holes Archives - AAS Nova

2004年8月 星が好きな人のための新着情報

black holes Archives - AAS Nova