A diagram of Kepler’s Second Law of planetary motion in the museum of the Beijing Ancient Observatory in Beijing, China.

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Size: 3264px × 4912px
Location: Beijing, China
Photo credit: © Mark Williamson Stock Photography / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: ancient, architectural, architecture, astronomical, astronomy, beijing, built, china, chinese, environment, historical, history, kepler, keplers, law, motion, museum, observatory, planetary, planets, prc, science