red shift of spectral lines
71Circular polarization — The electric field vectors of a traveling circularly polarized electromagnetic wave. In electrodynamics, circular polarization[1] of an electromagnetic wave is a polarization in which the electric field of the passing wave does not change… …
72Search for extraterrestrial intelligence — The search for extraterrestrial intelligence is sometimes abbreviated as SETI. For other uses, see SETI (disambiguation). Screen shot of the screensaver for SETI@home, a distributed computing project in which volunteers donate idle computer power …
73Slipher , Vesto Melvin — (1875–1969) American astronomer Born in Mulberry, Indiana, Slipher graduated from the University of Indiana in 1901 and obtained his PhD there in 1909. He spent the whole of his career from 1901 to 1952 at Percival Lowell s observatory in… …
74Laser star model of quasars — The laser star hypothesis is a hypothesis put forward by the physicist Y. P. Varshni in 1973 in response to several developments in astrophysical and earth based research, and his belief that the existing body of work on quasars, or quasi stellar …
75B²FH — B2FH (pronounced B squared F H ) is the initials of Geoffrey Burbidge, Margaret Burbidge, William Fowler and Fred Hoyle, and is used to reference a well known astrophysics paper titled Synthesis of the Elements in Stars published in 1957 [E. M.… …
76Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare …
77Vogel , Hermann Karl — (1842–1907) German astronomer Born at Leipzig in Germany, Vogel began as an assistant at the observatory there. He later directed a private observatory and finally moved to Potsdam to work in the new astrophysical observatory, of which he became… …
78Milky Way — This article is about the galaxy. For other uses, see Milky Way (disambiguation). Milky Way galaxy Image of the Milky Way s Galactic Center in the night sky above Paranal Observatory Observation data …
79Sandage , Allan Rex — (1926–) American astronomer Born in Iowa City, Sandage graduated from the University of Illinois in 1948 and obtained his PhD in 1953 from the California Institute of Technology. He was on the staff of the Hale Observatories at Mount Wilson and… …
80MeerKAT — KAT 7 Organization NRF Department of Science and Technology[1] SKA South Africa Project Location Northern Cape, South Africa Coordinates …
