quasars

First Quasar Gravitational Lens Discovered (w/video)

[/caption] Gravitation lensing - a phenomenon that falls out of Einstein's theory of general relativity - has been observed numerous…

14 years ago

[/caption] Excellent teamwork by astronomers working in two different wavebands – x-ray and optical - has led to the discovery…

15 years ago

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[/caption] The blazar 3C 454.3, a bright source of gamma rays from a galaxy 7 billion light-years away just got…

15 years ago

The birth of galaxies is quite a complicated affair, and little is known about whether the supermassive black holes at…

15 years ago

Ever wondered what the largest telescope on the Earth is? Well, this coming Wednesday and Thursday of this week, the…

15 years ago