Stroboscopic photograph of a ball orbiting a stationary ball. Kepler discovered that planets orbit the sun in ellipses, much as this swinging ball travels around a stationary ball.
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Details
Creative#:
TOP22283941
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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