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An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects , such as stars , planets , moons , comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy .
Derrick Pitts (born January 22, 1955) is an American astronomer and science communicator. Pitts studied at St. Lawrence University and has been employed at the Franklin Institute since 1978 where he is chief astronomer and director of the institute's Fels Planetarium. Pitts is a frequent guest on radio and television to explain the science of ...
The following is a list of astronomers, astrophysicists and other notable people who have made contributions to the field of astronomy.They may have won major prizes or awards, developed or invented widely used techniques or technologies within astronomy, or are directors of major observatories or heads of space-based telescope projects.
The astronomer William Herschel made a detailed catalog of nebulosity and clusters, and in 1781 discovered the planet Uranus, the first new planet found. [ 43 ] During the 18–19th centuries, the study of the three-body problem by Leonhard Euler , Alexis Claude Clairaut , and Jean le Rond d'Alembert led to more accurate predictions about the ...
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Moogega Cooper-Stricker [1] (born 1985) is an American astronomer, and the Lead of Planetary Protection for the Mars 2020 Mission and is involved with the InSight Mission. Dr. Cooper also takes part in programs and speaking engagements to encourage young women or and others from underrepresented communities to pursue careers in science and ...
An artist's conception of the Milky Way. Galactic astronomy is the study of the Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including all other galaxies.
Jonathan Christopher McDowell (born 1960) is a British-American astronomer and astrophysicist who works at the Harvard–Smithsonian Center for Astrophysics's Chandra X-ray Center. McDowell is the author and editor of Jonathan's Space Report , an e-mail-distributed newsletter documenting satellite launches.