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At least on Earth, astronomical instruments are extremely precise and sensitive compared to the innate biological abilities of an astronomer! Sure, I can look up at the sky and see that Betelgeuse ...
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#1: Attribution notice removed
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System
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2020-06-01T14:13:59Z (over 4 years ago)
Source: https://worldbuilding.stackexchange.com/a/169789 License name: CC BY-SA 4.0 License URL: https://creativecommons.org/licenses/by-sa/4.0/