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Astrophysics - Wikipedia
Astrophysics is the branch of astronomy that employs the principles of physics and chemistry "to ascertain the nature of the astronomical objects, rather than their positions or motions in space". Among the objects studied are the Sun, other stars, galaxies, extrasolar planets, the interstellar medium and the cosmic microwave background. Their emissions are examined across all parts of the ...
Astrophysics Data System
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Harvard University astronomers and Smithsonian Institution astronomers explore the cosmos together. The combination of the Harvard College Observatory (HCO) and the Smithsonian Astrophysical Observatory (SAO) is known as the Harvard-Smithsonian Center for Astrophysics (CfA).
Astrophysics | Definition of Astrophysics by Merriam-Webster
:the scientific study of the physical and chemical properties and structures of stars, planets, and other objects in outer space
Astrophysics for People in a Hurry: Neil deGrasse Tyson ...
Astrophysics for People in a Hurry [Neil deGrasse Tyson] on Amazon.com. *FREE* shipping on qualifying offers. Over a year on the New York Times bestseller list and more than a million copies sold. The essential universe
An Introduction to Modern Astrophysics (2nd Edition ...
An Introduction to Modern Astrophysics, Second Edition has been thoroughly revised to reflect the dramatic changes and advancements in astrophysics that have occurred over the past decade.The Second Edition of this market-leading book has been updated to include the latest results from relevant fields of astrophysics and advances in our theoretical understanding of astrophysical phenomena.
Smithsonian Astrophysical Observatory | www.cfa.harvard.edu/
The Smithsonian Astrophysical Observatory (SAO) is a "research institute" of the Smithsonian Institution. It is joined with the Harvard College Observatory (HCO) to form the Harvard-Smithsonian Center for Astrophysics (CfA).
Astronomy - Wikipedia
Astronomy (from Greek: ἀστρονομία) is a natural science that studies celestial objects and phenomena.It applies mathematics, physics, and chemistry, in an effort to explain the origin of those objects and phenomena and their evolution.Objects of interest include planets, moons, stars, galaxies, and comets; the phenomena include supernova explosions, gamma ray bursts, and cosmic ...
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