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Starlink already threatens optical astronomy. Now, radio astronomers are worried


Starlink already threatens optical astronomy. Now, radio astronomers are worried The 197 radio astronomy dishes of the Square Kilometre Array (SKA) in South Africa will sit within a radio-quiet zone the size of Pennsylvania where even a cellphone is forbidden, to preserve the array’s views of the heavens. Yet that precaution won’t save the telescope, due to be completed in the late 2020s, from what may soon be overhead: tens of thousands of communications satellites beaming down radio signals straight from the heavens. “The sky will be full of these things,” says SKA Director General Phil Diamond.   More



(Source: ScienceMag.org - Oct 14)

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