Curvature of the Earth. Left: because of curvature, M cannot be seen by ship at B, but can be from ship at C. Right: Man at C cannot see ship as far off as if he were on top of tower, D. Engraving of 1764

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Creative#:

TOP09099003

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

NO

Property Release:

NO

Right to Privacy:

No

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