nemfrog:“The passage of Venus’s shadow-cone over the Earth during the transits of 1761,

nemfrog:“The passage of Venus’s shadow-cone over the Earth during the transits of 1761,

nemfrog:“The passage of Venus’s shadow-cone over the Earth during the transits of 1761, 1769, 2004, and 2012.” Transits of Venus. 1882.Internet Archive -- source link


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