Useful english dictionary. 2012.
Zond program — Zond (Зонд; meaning probe ) was the name given to two series of Soviet unmanned space missions undertaken from 1964 to 1970 to gather information about nearby planets and to test spacecraft. The second series used a stripped down variant of the… … Wikipedia
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
Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) … Wikipedia
Halo (megastructure) — A human ship approaches a Halo under construction. Portions of the Ark are visible at bottom. From the video game Halo 3, 2007. Halos … Wikipedia
micrometeorite — noun a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere (Freq. 11) • Syn: ↑micrometeoroid, ↑micrometeor • Derivationally related forms: ↑micrometeoritic • Hypernyms: ↑meteorit … Useful english dictionary
micrometeoroid — noun a meteorite or meteoroid so small that it drifts down to earth without becoming intensely heated in the atmosphere • Syn: ↑micrometeorite, ↑micrometeor • Derivationally related forms: ↑micrometeoritic (for: ↑micrometeorite) … Useful english dictionary
