astronomical spectrograph
41Nordic Optical Telescope — The building of the Nordic Optical Telescope near the time of sunset. Organization NOT Council …
42NASA Infrared Telescope Facility — The NASA Infrared Telescope Facility atop Mauna Kea …
43Haute-Provence Observatory — The 1.93 meter aperture telescope, installed in 1958 The Observatoire de Haute Provence (OHP, Haute Provence Observatory in English) was established in 1937 as a national facility for French astronomers. Astronomical observations began in 1943… …
44AU Microscopii — Starbox begin name=AU Microscopii Starbox image caption=Microscopii s debris disk. Starbox observe epoch=J2000 ra=RA|20|45|09.5318 dec=DEC| 31|20|27.238 appmag v=8.61 constell=Microscopium Starbox character class=M1 Ve b v=1.45 u b=1.01… …
45Astrophysics Data System — Logo of the ADS The Astrophysics Data System (usually referred to as ADS), developed by the National Aeronautics and Space Administration (NASA), is an online database of over eight million astronomy and physics papers from both peer reviewed and …
46Wise Observatory — The Florence and George Wise Observatory (IAU code 097) is an astronomical observatory owned and operated by Tel Aviv University. It is located 5 km west of the city of Mitzpe Ramon in the Negev desert near the edge of the Ramon Crater, and it is …
47Transition Comets — UV Search for OH Emissions in Asteroids — was a study involving amateur astronomers and the use of the Hubble Space Telescope. This was one of only six studies involving amateur astronomers that was approved by NASA. [Hubble News Releases Archives… …
48OSIRIS — For other uses, see Osiris (disambiguation). OSIRIS is the name of three entirely separate astronomical instruments. The duplication of names is coincidental, partly driven by two scientific teams trying to make acronyms using similar words.… …
49eclipse — eclipser, n. /i klips /, n., v., eclipsed, eclipsing. n. 1. Astron. a. the obscuration of the light of the moon by the intervention of the earth between it and the sun (lunar eclipse) or the obscuration of the light of the sun by the intervention …
50Observational cosmology — Physical cosmology Universe · Big Bang …
