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August 28, 2018 10:00 am
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/oq3OaEG1fTY/tourism-is-compromising-the-worlds-largest-telescope
Tourism is Compromising the World's Largest Telescope
Thousands of people moved to let China build and protect Five-Hundred-Meter Aperture Spherical Radio Telescope (FAST), the world's largest telescope. And then the government drew in orders of magnitude more tourists, potentially undercutting its own science in an attempt to promote it. An excerpt: During the four-day Radio Astronomy Forum, Stierwalt and the other astronomers did, finally, get to see the actual telescope, taking a bus up a tight, tortuous road through the karst between town and telescope. As soon as they arrived on site, they were instructed to shut down their phones to protect the instrument from the radio frequency interference. But not even these astronomers, who want pristine FAST data for themselves, could resist pressing that capture button. "Our sweet, sweet tour guide continually reminded us to please turn off our phones," says Stierwalt, "but we all kept taking pictures and sneaking them out because no one really seemed to care." Come on: It's the world's largest telescope. Maybe their minder stayed lax because a burst here or there wouldn't make much of a difference in those early days. The number of regular tourists allowed at the site all day is capped at 3,000, to limit RFI, and they have to put their phones in lockers before they go see the dish. Krco says the site bumps up against the visitor limit most days. But tourism and development are complicated for a sensitive scientific instrument. Within three miles of the telescope, the government passed legislation establishing a "radio-quiet zone," where RFI-emitting devices are severely restricted. No one (not cellular providers or radio broadcasters) can get a transmitting license, and people entering the facility itself will have their electronics confiscated.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/oq3OaEG1fTY/tourism-is-compromising-the-worlds-largest-telescope
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