Scientists use our facilities to study virtually all types of astronomical objects known, from planets and comets in our own Solar System to galaxies and quasars at the edge of the observable universe. We conceive, design, build, operate and maintain radio telescopes used by scientists from around the world. The NRAO provides state-of-the-art radio telescope facilities for use by the scientific community. The National Radio Astronomy Observatory (NRAO) is a facility of the National Science Foundation, operated by Associated Universities, Inc., a nonprofit research organization. What is the National Radio Astronomy Observatory? By studying the sky with both radio and optical telescopes, astronomers can gain much more complete understanding of the processes at work in the universe. Since then, astronomers have developed sophisticated systems that allow them to make pictures from the radio waves emitted by astronomical objects.Ī number of celestial objects emit more strongly at radio wavelengths than at those of light, so radio astronomy has produced many surprises in the last half-century. Many astronomical objects emit radio waves, but that fact wasn't discovered until 1932. Radio waves are electromagnetic waves of much greater wavelength than those of light.įor centuries, astronomers learned about the sky by studying the light coming from astronomical objects, first by simply looking at the objects, and later by making photographs. Visible light, however, covers only a small part of the range of wavelengths in which electromagnetic waves can be produced. The different colors of light are electromagnetic waves of different lengths. You can read this screen because your eyes detect light. Frequently Asked Questions About Radio Astronomy Versiónįrequently-Asked Questions About Radio Astronomy and NRAO
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