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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. Outline of space science - Wikipedia

    en.wikipedia.org/wiki/Outline_of_space_science

    Astrophysics – branch of astronomy that deals with the physics of the universe, including the physical properties of celestial objects, as well as their interactions and behavior. [3] Among the objects studied are galaxies , stars , planets , exoplanets , the interstellar medium and the cosmic microwave background ; and the properties ...

  4. 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 ...

  5. Outline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_astronomy

    Astrophysics – branch of astronomy that deals with the physics of the universe, including the physical properties of celestial objects, as well as their interactions and behavior. [ 1 ] [ 2 ] Among the objects studied are galaxies, stars , planets, exoplanets , the interstellar medium and the cosmic microwave background ; and the properties ...

  6. Category:Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Category:Astrophysics

    Astrophysics is the branch of astronomy that deals with the physics of the universe, including the physical properties (luminosity, density, temperature, chemical composition) of astronomical objects such as stars, galaxies, and the interstellar medium, as well as their interactions.

  7. 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 ] ).

  8. Astroparticle physics - Wikipedia

    en.wikipedia.org/wiki/Astroparticle_physics

    Astroparticle physics, also called particle astrophysics, is a branch of particle physics that studies elementary particles of astrophysical origin and their relation to astrophysics and cosmology. It is a relatively new field of research emerging at the intersection of particle physics, astronomy , astrophysics, detector physics , relativity ...

  9. Planetary science - Wikipedia

    en.wikipedia.org/wiki/Planetary_science

    The science of geodesy has elements of both astrophysics and planetary sciences. The shape of the Earth is to a large extent the result of its rotation, which causes its equatorial bulge , and the competition of geologic processes such as the collision of plates and of vulcanism , resisted by the Earth's gravity field.