Columbia Encyclopedia

(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...

(Encyclopedia) Cerro Tololo Inter-American Observatory sāˈrō tōlōˈlō [key], astronomical observatory located on Cerro Tololo peak, Chile, with offices in La Serena, about 40 mi (64 km) to the west. Funded by ...

(Encyclopedia) solar wind, stream of ionized hydrogen—protons and electrons—with an 8% component of helium ions and trace amounts of heavier ions that radiates outward from the sun at high speeds. The continuous...

(Encyclopedia) Koshiba, Masatoshi, 1926–2020, Japanese physicist, Ph.D. Univ. of Rochester, 1955. He was a professor at the Univ. of Tokyo from 1958 (emeritus from 1987) and at the Univ. of Tokai from 1987 to 1997...

(Encyclopedia) Friedrich Schiller University of Jena frēˈdrĭkh shĭlˈər, yāˈnə [key], at Jena, Germany; founded 1548 as an academy; became the Univ. of Jena 10 years later. The school gained an international...

(Encyclopedia) Mitchell, Maria, 1818–89, American astronomer and educator, b. Nantucket, Mass. Mitchell taught school in Nantucket, and later became a librarian. On Oct. 1, 1847, Mitchell discovered a comet (1847 ...

(Encyclopedia)  CE5 Solar system CE5 solar system, the sun and the surrounding planets, natural satellites, dwarf planets, asteroids, meteoroids, and comets that are bound by its gravity. The sun is by far the ...

(Encyclopedia) observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term is generally ap...

(Encyclopedia) spectroscope, optical instrument for producing spectral lines and measuring their wavelengths and intensities, used in spectral analysis (see spectrum). When a material is heated to incandescence it e...

(Encyclopedia) In, symbol for the element indium. ...