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Summary
DescriptionKepler laws diagram.svg
English: Diagram illustrating Kepler's laws:
1. Two elliptical orbits with major half axes a1 and a2 and focal points F1, F2 for planet 1 and F1, F3 for planet 2; the sun in F1.
2. The two sectors A1, A2 of equal area are swept in equal time.
3. The ratio of orbital periods t2/t1 is (a2/a1)3/2.
Deutsch: Grafische Zusammenfassung der drei Keplergesetze:
1. Zwei elliptische Umlaufbahnen mit Brennpunkten F1 und F2 für den Planet 1 bzw. F1 und F3 für den Planet 2, die Sonne (sun) in F1; große Halbachsen a1 und a2.
2. Die flächengleichen Sektoren A1 und A2 werden in gleicher Zeit überstrichen.
3. Die Umlaufzeiten der Planeten 1 und 2 verhalten sich wie (a1/a2)3/2.
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Captions
Illustration of Kepler's laws of planetary motion with two planets
ग्रहों की परिक्रमा। कक्षाएँ दीर्घवृत्त हैं, जिसमें पहला ग्रह के लिए F1 और F2 और दूसरे ग्रह के लिए F1 और F3 हैं। सूर्य को केंद्र बिंदु F1 में रखा गया है।