... when they work together.
Radio astronomers have beed using interferometry for decades. Optical astronomers have been using the technique as well, but in more limited ways.
Now the optical astronomers are catching up:-
http://www.sciencemag.org/news/2018/...nd-black-holes
Radio astronomers have beed using interferometry for decades. Optical astronomers have been using the technique as well, but in more limited ways.
Now the optical astronomers are catching up:-
http://www.sciencemag.org/news/2018/...nd-black-holes
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