astronomers library
Astronomers have contributed greatly to our understanding of physics and motion. In this section you can learn all about famous astronomers and what each of them has contributed to our understanding of space.
Featured Article: David H. Levy
Levy, David H. (1948) is an amateur astronomer who helped discover the Shoemaker-Levy 9 comet. See more »
Eddington, Sir Arthur Stanley
Eddington, Sir Arthur Stanley (1882--1944), a British astronomer. As chief assistant at the Royal Greenwich Observatory, 1906--13, he began his studies of the motion, internal structure, and evolution of stars.
See more »Eudoxus of Cnidus
Eudoxus of Cnidus (NY duhs or kuh NY duhs) (400 B.C.?-350 B.C.?) was a Greek astronomer who made important contributions to the field of geometry.
See more »Flammarion
Flammarion, (Nicolas) Camille (1842-1925), a French astronomer. He was the author of many popular books on astronomy, including The Atmosphere (1871), Popular Astronomy (1879), and Astronomy for Amateurs (1904).
See more »Flamsteed, John
Flamsteed, John (16461719), an English astronomer. Flamsteed was appointed the first astronomer royal, in 1675, and Greenwich Observatory was built for him in 1676.
See more »Francis Graham Smith
Smith, Francis Graham (1923-) is a British astronomer and one of the leading authorities on radio astronomy, the branch of astronomy that studies celestial bodies by measurement and analysis of the electromagnetic radiation they emit in the wavelength range from 1 mm to 30 mm.
See more »Fraunhofer, Joseph von
Fraunhofer, Joseph von (17871826), a German optician and physicist. He was the first to make a careful study of the dark lines that appear in the solar spectrum, and these lines (and similar ones from other sources) were named in his honor.
See more »Fred Lawrence Whipple
Whipple, Fred Lawrence (1906-) was an American astronomer who was the first to suggest that the nucleus of a comet resembled a “dirty snowball.” His research led to insights regarding the behavior of meteors and the nature of the upper atmosphere and helped establish the modern view of comets.
See more »Friedrich Wilhelm August Argelander
Argelander, Friedrich Wilhelm August (1799-1875) was a Finnish-German astronomer and professor of astronomy who compiled the Banner Durchmusterung, a catalog which recorded the positions and magnitudes of 324,198 stars of the northern celestial hemisphere.
See more »Friedrich Wilhelm Bessel
Bessel, Friedrich Wilhelm (1784-1846), a German astronomer, was the first to measure stellar parallax, an apparent change in a star's position as a result of the earth orbiting the sun.
See more »Galilei, Galileo
Galilei, Galileo, generally called Galileo (1564-1642), an Italian astronomer, physicist, and mathematician.
See more »Hale, George Ellery
Hale, George Ellery (18681938), a United States astronomer. He was a pioneer in the field of astrophysics, which uses the techniques of physics to study the physical qualities of the sun and other stars, and was especially noted for his studies of the sun.
See more »Hall, Asaph
Hall, Asaph (18291907), a United States astronomer. In 1877 Hall discovered the two satellites of Mars, naming them Deimos and Phobos.
See more »Halley, Edmund
Halley, Edmund (1656?1743), an English astronomer and scientist. He is best known for his studies of thehcomet that bears his name.
See more »Helen Sawyer Hogg
Hogg, Helen Sawyer (1905-1993) was an American-born Canadian astronomer. She became known for her research on variable stars —stars whose light regularly varies in brightness because of their pulsating atmospheres.
See more »Hoyle, Sir Fred
Hoyle, Sir Fred (19152001), a British astronomer, noted for research on the development of stars.
See more »Hubble, Edwin P.
Hubble, Edwin P. (Powell) (18891953), a United States astronomer. Hubble revolationized astronomy by showing that the universe is much larger than had been previously believed and by providing observational evidence for the theory of an expanding universe.
See more »James Bradley
Bradley, James (1693-1762), an English astronomer, discovered the aberration of starlight that provided the first direct proof that the earth revolves around the sun, and the nutation, or nodding motion, of the earth's axis.
See more »Jocelyn Bell Burnell
Bell Burnell, Jocelyn (1943-), a Northern Irish astronomer, discovered the first four pulsars, neutron stars that emit pulses of radiation with a high degree of regularity.
See more »Joseph Hooton Taylor Jr.
Taylor, Joseph Hooton, Jr. (1941-) is an American astrophysicist and radio astronomer acclaimed for discovering the first binary pulsar, a system of two collapsed stars that emit tremendous energy as they rotate rapidly around one another.
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