telescope ladder
1Cosmic distance ladder — * Light green boxes: Technique applicable to star forming galaxies. * Light blue boxes: Technique applicable to Population II galaxies. * Light Purple boxes: Geometric distance technique. * Light Red box: The planetary nebula luminosity function… …
2Dobsonian telescope — A Dobsonian telescope on display at Stellafane in the early 1980s A Dobsonian telescope is an alt azimuth mounted newtonian telescope design popularized by the amateur astronomer John Dobson starting in the 1960s. Dobson s telescopes featured a… …
3Newtonian telescope — The Newtonian telescope is a type of reflecting telescope invented by the British scientist Sir Isaac Newton (1642–1727), using a concave primary mirror and a flat diagonal secondary mirror. Newton’s first reflecting telescope was completed in… …
4Mark III (radio telescope) — The Mark III was a portable and fully steerable radio telescope located at Wardle, near Nantwich, Cheshire in the north west of England (at 53°06′09.16″N 02°31′15.63″W / 53.1025444°N 2.5210083°W …
5Aerial ladder — An aerial ladder is one of the three basic categories of aerial apparatus.The aerial ladder: * can telescope out to increase its length. * primary functions include: ventilation, rescue, elevated master streams, and access to upper floors. * may… …
6Observational cosmology — Physical cosmology Universe · Big Bang …
7cosmos — /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… …
8Pleiades — This article is about the star cluster. For other uses, see Pleiades (disambiguation). Pleiades A color composite image of the Pleiades from the Digitized Sky Survey. Credit: NASA/ESA/AURA/Caltech …
9Edwin Hubble — Infobox Scientist name = Edwin Hubble| birth date = birth date|1889|11|20|mf=y birth place = Marshfield, Missouri, U.S. residence = U.S. nationality = American death date = death date and age|1953|9|28|1889|11|20|mf=y death place = San Marino,… …
10Clara Clayton — BttFCharacter name=Clara Clayton role=Doc s girlfriend/wife profession=Schoolteacher time=1885 timetraveler=Yes yearsvisited=1985 movies= Part III , film=Mary Steenburgen tv=Mary Steenburgen Clara Clayton is a fictional character, one of the lead …
