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gamma-ray astronomy
(Encyclopedia)gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic than X rays (see...X-ray astronomy
(Encyclopedia)X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that the sun emits X ...In
(Encyclopedia)In, symbol for the element indium. ...Aldebaran
(Encyclopedia)Aldebaran ălˌdĕbˈərən [key], brightest star in the constellation Taurus; Bayer designation α Tauri; 1992 position R.A. 4h35.5m, Dec. +16°30′. An orange giant star (spectral class K5 III) wit...Seyhan
(Encyclopedia)Seyhan sāhänˈ [key], river, c.320 mi (515 km) long, rising in the Anti-Taurus Mts., central Turkey, and flowing SW to the Mediterranean Sea. Dams provide irrigation, flood control, and hydroelectri...Pisidia
(Encyclopedia)Pisidia pĭsĭdˈēə, pī– [key], ancient country of S Asia Minor, S of Phrygia and N of Pamphylia. It was a mountainous country, traversed by the Taurus range. Its warlike tribes maintained their ...National Radio Astronomy Observatory
(Encyclopedia)National Radio Astronomy Observatory (NRAO), federal observatory for radio astronomy, founded in 1956 and operated under contract with the National Science Foundation by Associated Universities, Inc.,...Nuffield Radio Astronomy Laboratories
(Encyclopedia)Nuffield Radio Astronomy Laboratories: see Jodrell Bank Observatory. ...Tyana
(Encyclopedia)Tyana tīˈənə [key], town of ancient Cappadocia, at the northern foot of the Taurus range, in present S central Turkey. A powerful military fortress and a prosperous commercial center as early as t...Young, Charles Augustus
(Encyclopedia)Young, Charles Augustus, 1834–1908, American astronomer, b. Hanover, N.H., grad. Dartmouth, 1853. He discovered the reversing layer of the solar atmosphere and proved the gaseous nature of the sun's...Browse by Subject
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