ASTROPHYS

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• History of astronomical interferometry — See also: astronomical interferometerWilliam Herschel knew as early as 1779 (Herschel 1805) that stars appeared much larger in telescopes than they really were but he did not know why. When Thomas Young demonstrated interference and the wave… …   Wikipedia

• Jim Peebles — For the American football player, see Jim Peebles (American football). Phillip James Edwin Peebles Born April 25, 1935 (1935 04 25) (age 76) Winnipeg, Manitoba, Canada …   Wikipedia

• James Peebles — Philip James („Jim“) Edwin Peebles (* 25. April 1935 in Winnipeg, Manitoba) ist ein führender kanadischer Kosmologe. Inhaltsverzeichnis 1 Leben und Werk 2 Auszeichnungen 3 Publikationen …   Deutsch Wikipedia

• Trihydrogen cation — Protonated molecular hydrogen, trihydrogen cation, or H3+, is one of the most abundant ions in the universe. It is stable in the interstellar medium (ISM) due to the low temperature and low density of interstellar space. The role that H3+ plays… …   Wikipedia

• Cyclopropenylidene — IUPAC name …   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

• Gart Westerhout — Summary Biography Gart Westerhout (1927 ) is a Dutch astronomer. Well before completing his university studies at Leiden, he had already become well established internationally as a radio astronomer in The Netherlands, specializing in studies of… …   Wikipedia

• Radiogalaxia — Saltar a navegación, búsqueda Las radiogalaxias y sus parientes, quásares radio intensos y blazars, son tipos de galaxia activa que son muy luminosas en frecuencias de radio (de hasta 1038 W entre 10 MHz y 100 GHz). La emisión de radio es debida… …   Wikipedia Español

• X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …   Wikipedia

• Massive compact halo object — MACHO redirects here. For other uses, see Macho (disambiguation). Massive astrophysical compact halo object, or MACHO, is a general name for any kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos. A… …   Wikipedia

• Rashid Sunyaev — Infobox Scientist name = Rashid Sunyaev caption = birth date = birth date and age|1943|3|1|df=yes birth place = Tashkent, Uzbek SSR death date = death place = residence = nationality = field = Astronomer work institution = Russian Academy of… …   Wikipedia