KEPLER'S LAWS
\kˈɛpləz lˈɔːz], \kˈɛpləz lˈɔːz], \k_ˈɛ_p_l_ə_z l_ˈɔː_z]\
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(Johann K. , born near Stuttgart, 1591, died 1630.) Certain laws relating to the motion of the planets, viz: They describe ellipses round the sun, which is in one of their foci.
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The line joining a planet and the sun traces out equal areas in equal times.
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The squares of their periodic times are as the cubes of their major axes.
By Henry Percy Smith
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.