Micrometeoroid — collected from the Antarctic snow A micrometeoroid is a tiny meteoroid; a small particle of rock in space, usually weighing less than a gram. A micrometeor or micrometeorite is such a particle that enters the Earth s atmosphere or falls to Earth … Wikipedia
Colonization of the Moon — Lunar outpost redirects here. For NASA s plan to construct an outpost between 2012 and 2024, see Lunar outpost (NASA). Moonbase redirects here. For other uses, see Moonbase (disambiguation). 1986 artist concept The colonization of the Moon is the … Wikipedia
Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir … Wikipedia
interplanetary dust particle — ▪ astronomy also called micrometeoroid, micrometeorite , or cosmic dust particle a small grain, generally less than a few hundred micrometres in size and composed of silicate minerals and glassy nodules but sometimes including sulfides,… … Universalium
International Space Station — ISS redirects here. For other uses, see ISS (disambiguation). International Space Station … Wikipedia
Lunar space elevator — A lunar space elevator (also called a moonstalk) is a proposed cable running from the surface of the Moon into space.It is similar in concept to the better known Earth space elevator idea (a cable suspended above Earth, with its center of gravity … Wikipedia
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
Pegasus — Pegasian /peuh gay see euhn/, adj. /peg euh seuhs/, n., gen. Pegasi / suy / for 2. 1. Class. Myth. a winged horse, created from the blood of Medusa, that opened the spring of Hippocrene with a stroke of its hoof, and that carried Bellerophon in… … Universalium
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
meteor and meteoroid — ▪ astronomy Introduction respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) that enters Earth s atmosphere and heats to incandescence. In modern… … Universalium