libration
91Far side of the Moon — The far side of the Moon is the lunar hemisphere that is permanently turned away from the Earth. The far hemisphere was first photographed by the Soviet Luna 3 probe in 1959, and was first directly observed by human eyes when the Apollo 8 mission …
92Peek (crater) — lunar crater data caption=Peek crater from Lunar Orbiter 1. NASA/L PI image . latitude=2.6 N or S=N longitude=86.9 E or W=E diameter=12 km depth= Unknown colong=274 eponym=Bertrand M. PeekPeek is a small lunar impact crater that is located in the …
93Polydeuces (moon) — Polydeuces (pronEng|ˌpɒlɨˈdjuːsiːz respell|POL|i|DEW|seez, or as Greek Πολυδεύκης) is a very small natural satellite of Saturn that is co orbital with Dione and librates around the trailing Lagrangian point (L5). Its diameter is estimated to be… …
94Fryxell (crater) — lunar crater data latitude=21.3 N or S=S longitude=101.4 E or W=W diameter=18 km depth= Unknown colong=102 eponym=Roald H. FryxellFryxell is a small lunar crater that lies amidst the western inner ring of the Montes Rook. This crater is located… …
95Kozai mechanism — In celestial mechanics, the Kozai mechanism is a secular perturbative effect on certain orbits. It causes changes in the eccentricity and the inclination of the orbit of the perturbed body to be periodic and synchronized, and also causes… …
96Gliese 581 c — Planetbox begin name = Gliese 581 c Planetbox star star = Gliese 581 constell = Libra RA = RA|15|19|26 DEC = DEC|−07|43|20 dist ly = 19.9 dist pc = 6.12 class = M2.5VPlanetbox orbit period = 12.93cite encyclopedia | title = Planet : Gl 581 c |… …
97Eismondozean (Titan) — VI Titan Titan im sichtbaren Licht. Aufgenommen aus einer Entfernung von 229.000 km durch die Raumsonde Cassini, 2005. Zentralkörper …
98Giovanni Cassini — Giovanni Domenico Cassini Giovanni Domenico Cassini (* 8. Juni 1625 in Perinaldo nahe Nizza, Italien; † 14. September 1712 in Paris), ab 1673 auch Jean Dominique Cassini I. genannt, war ein französischer Astronom und Mathematiker italienischer… …
99Heißer Jupiter — Künstlerische Darstellung des Exoplaneten HD 209458b (Osiris) vor seiner Sonne. Hot Jupiter (deutsch: Heißer Jupiter) bezeichnet eine Klasse von Exoplaneten, deren Masse etwa der des Jupiter (1,9 × 1027 kg) entspricht oder diese übersteigt, und… …
100Jupiter I — I Io Jupitermond Io, aufgenommen aus einer Entfernung von 130.000 km von der Raumsonde Galileo …
