libration in longitude
41Resonant trans-Neptunian object — In astronomy, a resonant trans Neptunian object is a trans Neptunian object (TNO) in mean motion orbital resonance with Neptune. The orbital periods of the resonant objects are in a simple integer relations with the period of Neptune e.g. 1:2,… …
42Tobias Mayer — (auch Majer[1]; * 17. Februar 1723 in Marbach am Neckar; † 20. Februar 1762 in Göttingen) war ein deutscher Astronom, Geo und Kartograf, Mathematiker …
43Marée — Cet article possède des paronymes, voir : Marae, Maré et Marais …
44chronology — /kreuh nol euh jee/, n., pl. chronologies. 1. the sequential order in which past events occur. 2. a statement of this order. 3. the science of arranging time in periods and ascertaining the dates and historical order of past events. 4. a… …
45Planets beyond Neptune — Planet X redirects here. For the Planet X doomsday scenario, see Nibiru collision. For other uses, see Planet X (disambiguation). Trans Neptunian planets redirects here. For dwarf planets and small bodies discovered beyond Neptune, see Trans… …
46Timeline of solar system astronomy — Timeline of solar system astronomyAntiquity* 2137 BC, October 22 Chinese astronomers record a solar eclipse *ca. 2000 BC Chinese determine that Jupiter needs 12 years to complete one revolution of its orbit. * 2nd millennium BC earliest possible… …
47Giordano Bruno (crater) — lunar crater data caption=Giordano Bruno. NASA photo . latitude=35.9 N or S=N longitude=102.8 E or W=E diameter=22 km depth= Unknown colong=258 eponym=Giordano BrunoGiordano Bruno is a small lunar impact crater on the far side of the Moon, just… …
48Hilbert (crater) — lunar crater data caption=Hilbert from Apollo 15. NASA photo. latitude=17.9 N or S=S longitude=108.2 E or W=E diameter=151 km depth= Unknown colong=254 eponym=David HilbertHilbert is a lunar crater that is located on the far side of the Moon,… …
49Bailly (crater) — lunar crater data latitude=66.8 N or S=N longitude=69.4 E or W=E diameter=303 km depth=4.3 km colong=65 eponym=Jean S. BaillyBailly is a lunar impact crater that is located near the south west limb of the Moon. The oblique viewing angle gives the …
50Neper (crater) — Coordinates 8°48′N 84°30′E / 8.8°N 84.5°E / …
