Columbia Encyclopedia
Search results
231 results found
radiography
(Encyclopedia)radiography: see X ray.skiagraph
(Encyclopedia)skiagraph: see X ray.Einstein Observatory
(Encyclopedia)Einstein Observatory: see X-ray astronomy. ...Wray, John
(Encyclopedia)Wray, John: see Ray, John.Grayson, David
(Encyclopedia)Grayson, David: see Baker, Ray Stannard. ...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 prism, a device ...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 and other aspects...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. Several countr...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 and Zwicky predict...bremsstrahlung
(Encyclopedia)bremsstrahlung brĕmˈshträˌləng [key]: see X ray. ...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
