star-constants

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• Oort constants — The Oort constants (discovered by Jan Oort) A and B are empirically derived parameters that characterize the local rotational properties of our galaxy, the Milky Way, in the following manner: where V0 and R0 are the rotational velocity and… …   Wikipedia

• Mathematical constants by continued fraction representation — This is a list of mathematical constants sorted by their representations as continued fractions. Continued fractions with more than 20 known terms have been truncated, with an ellipsis to show that they continue. Rational numbers have two… …   Wikipedia

• List of Star Wars planets (K–L) — Contents 1 Kalakar VI 2 Kalarba 3 Kalee 4 Kalist VI …   Wikipedia

• List of Star Wars planets (K-L) — Kalakar VI was a volcanic spoon of Dromund Kalakar in the Outer Rim. It was a Dark Side nexus which attracted the Prophets of the Dark Side from nearby Dromund Kaas about 100 BBY, having previously been occupied by the Sith Empire. It was covered …   Wikipedia

• standard star — noun : a star of known position and proper motion used as a standard in determining time, latitude, and the positions of other celestial bodies * * * standard star, a star whose position and proper motion are particularly well known, used in… …   Useful english dictionary

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

• Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …   Universalium

• Orders of magnitude (mass) — Iron weights up to 50 kilograms depicted in Dictionnaire encyclopédique de l épicerie et des industries annexes. To help compare different orders of magnitude, the following list describes various mass levels between 10−36 kg and 1060 kg …   Wikipedia

• Light-year — For other uses, see Light year (disambiguation). Image showing the scale of a light year (outer shell) and a light month (inner shell) surrounding the Sun compared to Comet 1910 A1 s orbit (yellow line) and Comet Hyakutake s orbit (orange line).… …   Wikipedia

• Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …   Wikipedia

• Precession (astronomy) — In astronomy, precession refers to the movement of the rotational axis of a body, such as a planet, with respect to inertial space. In particular, it refers to the precession of the Earth s rotational axis, also called the precession of the… …   Wikipedia