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In less than 100 seconds, Mark Birkinshaw discusses the world's largest telescope by area.
Comments on this article are now closed.
Unfortunately, he makes a mistake in the first 20s, describing the SKA as 'around 70 times the size, in area terms, of the largest telescope there currently is on the Earth - the Very Large Array in New Mexico'. LOFAR, Arecibo, and the GMRT are all bigger.