cometlike
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Heliosphere — The heliosphere is a bubble in space blown into the interstellar medium (the hydrogen and helium gas that permeates the galaxy) by the solar wind. Although electrically neutral atoms from interstellar space can penetrate this bubble, virtually… … Wikipedia
Pan-STARRS — logo The Panoramic Survey Telescope and Rapid Response System (Pan STARRS) is a planned array of astronomical cameras and telescopes and computing facility that will survey the sky on a continual basis, including accurate astrometry and… … Wikipedia
comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… … Universalium
cosmos — /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… … Universalium
mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… … Universalium
magnetosphere — [mag nēt′ō sfir΄, magnēt′əsfir΄; magnet′ō sfir΄, magnet′ə sfir΄] n. [ MAGNETO + SPHERE] that region surrounding a planet in which the planet s magnetic field is stronger than the interplanetary field: the solar wind gives it a cometlike shape… … English World dictionary
