earth's orbit
11orbit — orbitary, adj. /awr bit/, n. 1. the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun. 2. the usual course of one s life or range of one s activities. 3. the sphere of power or …
12orbit — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ circular, elliptical ▪ eccentric ▪ Mercury s orbit is fairly eccentric. ▪ high, low …
13Earth-approach Asteroid — An asteroid whose orbit crosses the Earth s orbit, or whose orbit is being changed by Earth s gravity, and will some day cross the Earth s orbit. There are two types of Earth approach Asteroids. Apollo Asteroids, which cross the Earth s orbit… …
The writer's dictionary of science fiction, fantasy, horror and mythology
14Earth 2150 — Infobox VG| title = Earth 2150 caption= developer = TopWare Interactive publisher = 1C Company designer = released = 2000 modes = Single player genre = Strategy series= ratings = ESRB: T (Teen) USK: 12+ OFLC: G8+ platforms = Microsoft Windows,… …
15orbit — 1 verb (I, T) to travel in a circle around a much larger object such as the Earth, the sun etc: The satellite orbits the Earth every 48 hours. 2 noun (C) 1 the path travelled by an object which is moving around another much larger object such as… …
16Earth-crossing asteroid — Asteroid whose path around the Sun crosses Earth s orbit. Three groups of such asteroids Aten, Apollo, and Amor asteroids are distinguished by the size of their orbits and how closely they approach the Sun. The Atens and Apollos cross Earth s… …
17Earth Changes — The term Earth Changes describes a belief prevalent in certain segments of the New Age movement. Believers in the Earth Changes theory believe that the world will soon enter on a series of catastrophic changes that will begin a major alteration… …
18Orbit determination — is a branch of astronomy specialised in calculating, and hence predicting, the orbits of objects such as moons, planets, and spacecraft . These orbits could be orbiting the Earth, or other bodies. The determination of the orbit of newly observed… …
19Earth orbit rendezvous — (EOR) is a method that has been proposed for space missions to the Moon. NASA considered an EOR mission profile for the Apollo program, but chose instead to use lunar orbit rendezvous (LOR). NASA currently plans to use both EOR and LOR for… …
20Earth in science fiction — Earth An overwhelming majority of fiction is set on or features the Earth. However, authors of speculative fiction novels and writers and directors of science fiction film deal with Earth quite differently from authors of conventional fiction.… …
