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Bradbury, Ray

(Encyclopedia) Bradbury, Ray (Raymond Douglas Bradbury)Bradbury, Ray (Raymond Douglas Bradbury)brădˈbĕrˌē, –bərē [key], 1920–2012, American writer, b. Waukegan, Ill. A popular and prolific writer of…

polarization of light

(Encyclopedia) polarization of light, orientation of the vibration pattern of light waves in a singular plane. Unpolarized light can be converted into a single polarized beam by means of the Nicol…

observatory, orbiting

(Encyclopedia) observatory, orbiting, research satellite designed to study solar radiation, electromagnetic radiation from distant stars, the earth's atmosphere, or the like. Because the atmosphere…

virtual observatory

(Encyclopedia) virtual observatory, a collection of integrated astronomical data archives and software tools that utilize computer networks to create an environment in which research can be conducted…

Jesse Martin COMBS, Congress, TX (1889-1953)

COMBS Jesse Martin , a Representative from Texas; born in Center, Shelby County, Tex., July 7, 1889; attended the public schools; was graduated from Southwest Texas State Teachers' College in…

neutron star

(Encyclopedia) neutron star, extremely small, extremely dense star, with as much as double the sun's mass but only a few miles in radius, in the final stage of stellar evolution. Astronomers Baade…

bremsstrahlung

(Encyclopedia) bremsstrahlungbremsstrahlungbrĕmˈshträˌləng [key]: see X ray.

Fridley

(Encyclopedia) Fridley, city (2020 pop. 29,590), Anoka co., SE Minn., a suburb north of Minneapolis, on the Mississippi River; settled 1847, inc. as a…

Orbiting Astronomical Observatory

(Encyclopedia) Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space…