Comments by "rivenoak" (@rivenoak) on "Why we should teach astronomy" video.

  1. Aristarch of Samos weeps...since ~200bc :p yes, it is common knowledge among educated ppl for over 2000 years that moon and sun are at least 1:19 in size; modern observation is more 1:400
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  2. rare exceptions apply: Ganymede and Titan are moons (of the gas giants Jupiter and Saturn respectively) but both are larger than Mercury as planet
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