solar ecliptic limit — noun : the angular distance from the nodes of the moon s orbit within which an eclipse of the sun may or must occur when the sun and moon are in conjunction there … Useful english dictionary
Lunar ecliptic limit — Ecliptic E*clip tic, a. [L. eclipticus belonging to an eclipse, Gr. ekleiptiko s. See {Eclipse}.] 1. Pertaining to the ecliptic; as, the ecliptic way. [1913 Webster] 2. Pertaining to an eclipse or to eclipses. [1913 Webster] {Lunar ecliptic… … The Collaborative International Dictionary of English
Ecliptic — E*clip tic, a. [L. eclipticus belonging to an eclipse, Gr. ekleiptiko s. See {Eclipse}.] 1. Pertaining to the ecliptic; as, the ecliptic way. [1913 Webster] 2. Pertaining to an eclipse or to eclipses. [1913 Webster] {Lunar ecliptic limit} (Astron … The Collaborative International Dictionary of English
Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… … Wikipedia
Solar System — This article is about the Sun and its planetary system. For other systems, see planetary system and star system. For a list of physical and orbital statistics for the Solar System s largest bodies, see List of gravitationally rounded objects of… … Wikipedia
solar system — the sun together with all the planets and other bodies that revolve around it. [1695 1705] * * * The Sun, its planets, and the small bodies (see asteroid, Centaur object, comet, Kuiper belt, meteorite, and Oort cloud) interplanetary dust and gas… … Universalium
Timeline 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… … Wikipedia
Pluto — This article is about the dwarf planet. For other uses, see Pluto (disambiguation). Pluto … Wikipedia
astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… … Universalium
Planet — This article is about the astronomical object. For other uses, see Planet (disambiguation) … Wikipedia