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Reber’s telescope, though without precedent, was small and crude by today’s standards. Modern radio telescopes are quite another matter. Unbound by backyards, they’re sometimes downright humongous. MK 1, which began its working life in 1957, is the planet’s first genuinely gigantic radio telescope—a single, steerable, 250-foot-wide, solid-steel dish at the Jodrell Bank Observatory near Manchester, England. A couple of months after MK 1 opened for business, the Soviet Union launched Sputnik 1, and Jodrell Bank’s dish suddenly became just the thing to track the little orbiting hunk of hardware—making it the forerunner of today’s Deep Space Network for tracking planetary space probes
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Neil deGrasse Tyson (Astrophysics for People in a Hurry (Astrophysics for People in a Hurry Series))