massachusetts institute of technology

Radio telescopes

Measuring the universe’s ‘exit door’
Measuring the universe’s ‘exit door’
September 27, 2012
For the first time, an international team has measured the radius of a black hole.
Also labeled: Accretion, Astrophysics, Stars, Black holes, Collaboration, Event horizon, Galaxy formation, Haystack Observatory, Star formation, National Science Foundation (NSF)
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