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  2. Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Astrophysics

    Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space–what they are, rather than where they are", [3] which is studied ...

  3. Astrophysics for People in a Hurry - Wikipedia

    en.wikipedia.org/wiki/Astrophysics_for_People_in...

    Astrophysics for People in a Hurry is a 2017 popular science book by Neil deGrasse Tyson, centering around a number of basic questions about the universe. Published on May 2, 2017, by W. W. Norton & Company , the book is a collection of Tyson's essays that appeared in Natural History magazine at various times from 1997 to 2007.

  4. Welcome to the Universe - Wikipedia

    en.wikipedia.org/wiki/Welcome_to_the_Universe

    Welcome to the Universe: An Astrophysical Tour is a popular science book by Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott, based on an introductory astrophysics course they co-taught at Princeton University. [1] The book was published by the Princeton University Press on September 20, 2016. [2]

  5. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    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". [ 73 ] [ 74 ] Among the objects studied are the Sun , other stars , galaxies , extrasolar planets , the interstellar medium and the cosmic microwave ...

  6. Astrophysical fluid dynamics - Wikipedia

    en.wikipedia.org/wiki/Astrophysical_fluid_dynamics

    Astrophysical fluid dynamics is a branch of modern astronomy which deals with the motion of fluids in outer space using fluid mechanics, such as those that make up the Sun and other stars. [1]

  7. Computational astrophysics - Wikipedia

    en.wikipedia.org/wiki/Computational_astrophysics

    Computational astrophysics refers to the methods and computing tools developed and used in astrophysics research. Like computational chemistry or computational physics , it is both a specific branch of theoretical astrophysics and an interdisciplinary field relying on computer science , mathematics , and wider physics .

  8. Space physics - Wikipedia

    en.wikipedia.org/wiki/Space_physics

    Space physics, also known as space plasma physics, is the study of naturally occurring plasmas within Earth's upper atmosphere and the rest of the Solar System. It includes the topics of aeronomy , aurorae , planetary ionospheres and magnetospheres , radiation belts , and space weather (collectively known as solar-terrestrial physics [ 1 ] ).

  9. Celestial mechanics - Wikipedia

    en.wikipedia.org/wiki/Celestial_mechanics

    Astrophysics Celestial navigation is a position fixing technique that was the first system devised to help sailors locate themselves on a featureless ocean. Developmental Ephemeris or the Jet Propulsion Laboratory Developmental Ephemeris (JPL DE) is a widely used model of the solar system, which combines celestial mechanics with numerical ...

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