- megamasers
- megamaseres
English-Spanish dictionary of astronomy terms. 2014.
English-Spanish dictionary of astronomy terms. 2014.
Megamaser — A megamaser is a type of astrophysical maser, which is a naturally occurring source of stimulated spectral line emission. Megamasers are distinguished from astrophysical masers by their large isotropic luminosity. Megamasers produce roughly 103… … Wikipedia
Hydroxyl radical — IUPAC name Hydroxyl radical … Wikipedia
Astrophysical maser — An astrophysical maser is a naturally occurring source of stimulated spectral line emission, typically in the microwave portion of the electromagnetic spectrum. This emission may arise in molecular clouds, comets, planetary atmospheres, stellar… … Wikipedia
Maser — For other uses, see Maser (disambiguation). A hydrogen radio frequency discharge, the first element inside a hydrogen maser (see description below) A maser is a device that produces coherent electromagnetic waves through amplification by… … Wikipedia
NGC 2639 — Галактика История исследования Открыватель Уильям Гершель Дата открытия 9 марта 1788 Обозначения NGC 2639, UGC 4544, MCG 8 16 24, ZWG 237.14 … Википедия
ASTRO-G — (appelé également VSOP 2) est un satellite de radioastronomie en développement au JAXA. Il doit être placé sur une orbite elliptique autour de la Terre (apogée : 25000 km, périgée : 1000 km)[1]. Astro G a été choisi en février 2006, en… … Wikipédia en Français
RadioAstron — lors des essais à NPO Lavotchkine C … Wikipédia en Français