(in radio location of planets)
21cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
22gravitation — gravitational, adj. gravitationally, adv. /grav i tay sheuhn/, n. 1. Physics. a. the force of attraction between any two masses. Cf. law of gravitation. b. an act or process caused by this force. 2. a sinking or falling …
23List of Ratchet & Clank characters — This is a list of characters from the Ratchet Clank video game series. Ratchet Clank is a series of platform video games developed by Insomniac Games and High Impact Games. The series features a large cast of characters voiced by veteran voice… …
24Voyager program — This article is about the unmanned space probes of the 1970s. For other uses, see Voyager. The trajectories that enabled Voyager spacecraft to visit the outer planets and achieve velocity to escape our solar system The Voyager program is a U.S… …
25atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …
26Voyager 2 — For the phone sometimes referred to as the Voyager 2, see LG enV touch. Voyager 2 Voyager spacecraft Operator …
27astronomy — /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,… …
28Stargate (device) — For episodes of the television series, see List of Stargate SG 1 episodes, List of Stargate Atlantis episodes, and List of Stargate Universe episodes. A Stargate from Stargate SG 1. A Stargate is a portal device within the Stargate fictional… …
29Definition of planet — Photograph of the crescent planet Neptune (top) and its moon Triton (center) …
30Io (moon) — ] Unlike most satellites in the outer Solar System (which have a thick coating of ice), Io is primarily composed of silicate rock surrounding a molten iron or iron sulfide core. Most of Io s surface is characterized by extensive plains coated… …
