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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.
A hundred satellites, all talking at once. Here's the intel., Air & Space Magazine
NuSTAR (Nuclear Spectroscopic Telescope Array) - eoPortal
Picture of the Week
NASA Missions Study What May Be a 1-In-10,000-Year Gamma-ray Burst - NASA
How do black holes seem? Is there any real photo that NASA has taken? - Quora
black holes Archives - AAS Nova
Friends of NASA
2004年8月 星が好きな人のための新着情報
ESA Science & Technology - How black holes clear galaxies of star-making gas
Encyclopedia space book(imagination realit by Ashu Dubey - Issuu
NASA SVS Astrophysics Galaxy Listing
Astronomy Orion Telescopes & Binoculars
