Forschenden gelingt Durchbruch: Detailgetreuer Blick in supermassives Schwarzes Loch möglich infranken.de - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from infranken.de Daily Mail and Mail on Sunday newspapers.
Zoom In
What we see from an active galaxy depends in large part on our viewing geometry. If the jet is aimed at us we can see high-energy light like X-rays and gamma rays. If we see the dust torus edge-on it can block most of the high-energy stuff and we only see optical or infrared light. There s a whole menagerie of active galaxy types out there.
Quasars tend to have a lot of high-energy light (the first was discovered by its X-ray emission) and early on were also seen to be powerful sources of radio energy. But as we learned more we found that radio-loud quasars