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Astronomers from ** Neighborhood: Guzman documents the ingenuity of several local astronomy enthusiasts who have taken to building their own telescopes from scratch (down to and including creating the special mirrors themselves). These may be "amateurs," but they all -- one elderly gentleman in particular, who has designed a mini-observatory on his roof, including hydraulic cha...
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胤祥 2012-03-12
“皮诺切特时期,我喜欢观察天空”。可爱的发明家。
Valuska 2023-11-19
https://***.***********/watch?v=kYJvNaocK04&list=PLv6VH4YB5aeIAeIDmHxG-0EURUhPq7FOm&index=26