axis of precession
101Gravity Probe B — ( GP B ) is a satellite based mission which launched in 2004. The spaceflight phase lasted until 2005, and data analysis is currently under way (as of May 2008) and may continue to into 2010 [ [http://einstein.stanford.edu/highlights/status1.html …
102SS 433 — Artist s impression of SS 433 Observation data Epoch J2000.0       …
103Time Cycles — signify a 360 degree circular or eliptical rotation, orbit or journey in time typically of an object such as a planet or moon. In the case of the precession of the equinoxes, the cycle is determined by the 360 degree shifting of the equinoctal… …
104Copernicus, Nicolaus — Polish Mikołaj Kopernik born Feb. 19, 1473, Toruń, Pol. died May 24, 1543, Frauenburg, East Prussia Polish astronomer. He was educated at Kraków, Bologna, and Padua, where he mastered all the knowledge of the day in mathematics, astronomy,… …
105General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources …
106Gyromagnetic ratio — In physics, the gyromagnetic ratio (also sometimes known as the magnetogyric ratio in other disciplines) of a particle or system is the ratio of its magnetic dipole moment to its angular momentum, and it is often denoted by the symbol γ, gamma.… …
107astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… …
1082012 phenomenon — Part of a series on …
109Moon — This article is about Earth s Moon. For moons in general, see Natural satellite. For other uses, see Moon (disambiguation) …
110History of astronomy — History of science …
