Arecibo is Dead. Should We Build Its Replacement on the Moon?
When the 60-year-old Arecibo Observatory collapsed in 2020, the crash didn’t just take down one of the world's preeminent radio telescopes, it also dealt a massive blow to the future of radio astronomy. Arecibo may have been old, but it also had unique capabilities that made it ideal for studying things like gravitational waves, as well as mapping the surfaces of asteroids as they slip by Earth.
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