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  • Thumbnail for Kepler's laws of planetary motion
    New York: Dover. p. 304. ISBN 9780486676050. Caspar, Max (1993). Kepler. New York: Dover. p. 286. ISBN 9780486676050. I. Newton, Principia, p. 408 in...
    60 KB (8,824 words) - 13:24, 20 September 2024