Radio astronomers

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• Radio astronomy — is a subfield of astronomy that studies celestial objects at radio frequencies. The field originated from the discovery that many astronomical objects emit radiation in the radio wavelengths as well as optical ones. The great advances in radio… …   Wikipedia

• radio and radar astronomy — Study of celestial bodies by measuring the energy they emit or reflect at radio wavelengths. It began in 1931 with Karl Jansky s discovery of radio waves from an extraterrestrial source. After 1945, huge dish antennas, improved receivers and data …   Universalium

• radio star — noun : a radio source of very small dimensions and relatively strong radiation and sometimes identified with certain small nebulosities and galaxies * * * Astron. Now Rare. a radio source. [1945 50] * * * radio star noun A discrete source of… …   Useful english dictionary

• Radio Astronomy —    The science of studying the radio portion of electromagnetic radiation created by celestial objects. In 1965, American radio astronomers Arno Penzias and Robert Wilson discovered a 3° K ( 454° F) cosmic background radio emission, which… …   The writer's dictionary of science fiction, fantasy, horror and mythology

• Radio source SHGb02+14a — is a source and a candidate in the Search for Extra Terrestrial Intelligence (SETI), discovered on March 2003 by SETI@home and announced in New Scientist on September 1, 2004. [* cite news | publisher = New Scientist | title = Mysterious signals… …   Wikipedia

• Radio telescope — A radio telescope is a form of directional radio antenna used in radio astronomy and in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the… …   Wikipedia

• Radio clock — A radio clock is a clock that is synchronized by a time code bit stream transmitted by a radio transmitter connected to a time standard such as an atomic clock. Such a clock may be synchronized to the time sent by a single transmitter, such as… …   Wikipedia

• radio source — Astron. a cosmic object or phenomenon, as a galaxy, pulsar, quasar, or the remnant of a supernova or of a galactic collision, that emits radio waves. [1945 50] * * * ▪ astronomy       in astronomy, any of various objects in the universe that emit …   Universalium

• The European Radio Astronomy Club — (ERAC) is Europe s only group coordinating the work of radio astronomers to jointly use radio waves to study the universe at radio wavelengths. It was founded in 1995 by Peter Wright and his wife, Angelika, who had the idea of writing a small… …   Wikipedia

• List of Russian astronomers and astrophysicists — Staff of the Pulkovo Observatory (around 1883–1886). Otto Wilhelm von Struve is in the center. This list of Russian astronomers and astrophysicists includes the famous astronomers, astrophysicists and cosmologists from the Russian Empire, the… …   Wikipedia

• Confederation of Indian Amateur Astronomers — The Confederation of Indian Amateur Astronomers (CIAA) is a national level organisation of amateur astronomers in India that convenes a national meeting of members every year, and coordinates the activities of amateur astronomers throughout the… …   Wikipedia