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Ask HN: How would you go about rebuilding Arecibo?
Given technology advancements since Arecibo was originally built, and assuming the site has been cleared, how would you go about rebuilding it? Would a replacement need to be as heavy?
- rococode 6y agoFAST in China is basically a modern version of Arecibo, isn't it? (with some minor differences) Construction started in 2011 and it was declared fully operational in January this year. The wiki page actually has a section comparing it to Arecibo: https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Spherical_Telescope#Comparison_with_Arecibo_Telescope https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Sp...
- ArtWomb 6y agoAren't cubesats in far side lunar orbit a viable alternative now, with launch services getting more affordable every day? Peering into the Dark (Ages) with Low-Frequency Space Interferometers https://arxiv.org/abs/1908.04296 https://arxiv.org/abs/1908.04296 A Roadmap towards a Space-based Radio Telescope for Ultra-Low Frequency Radio Astronomy https://arxiv.org/abs/1909.08951 https://arxiv.org/abs/1909.08951