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  1. Astrophysics - Wikipedia

    Some widely accepted and studied theories and models in astrophysics, now included in the Lambda-CDM model, are the Big Bang, cosmic inflation, dark matter, dark energy and fundamental theories …

  2. What is Astrophysics? | Space

    Oct 28, 2022 · Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it. The field explores topics such as the birth, life...

  3. What is Astrophysics, and Why It Matters? - Astronomy Explained

    Astrophysics explores the vast universe and tries to solve mysteries with the help of physics, maths, and formulas. Astrophysics covers a wide range, from tiny particles to huge galaxies. It investigates how …

  4. Astrophysics | Astronomy, Cosmic Objects, & Space | Britannica

    astrophysics, branch of astronomy concerned primarily with the properties and structure of cosmic objects, including the universe as a whole. See astronomy. The Editors of Encyclopaedia Britannica …

  5. Introduction to Astrophysics - Department of Astrophysical Sciences

    Jan 22, 2022 · These fundamental questions have occupied peoples' thoughts for generations in an attempt to uncover the mysteries of the Universe.

  6. What is Astrophysics? Unlocking the Secrets of the Universe

    Aug 30, 2025 · Astrophysics is the science of the cosmos, the study of stars, galaxies, black holes, and the very origin of the universe itself. It is the language through which humanity speaks to the …

  7. What is astrophysics and what is it used for?

    Astrophysics is a branch of science that unites physics with astronomy to study the composition, formation and evolution of celestial bodies, such as stars, Planets, galaxies and even the most …

  8. What is astrophysics? | Space | EarthSky

    Jan 28, 2020 · Astrophysics is the science of physical processes in the cosmos. It uses data gathered by astronomers using telescopes on Earth and in space – combined with the laws and theories of …

  9. Astrophysics - New World Encyclopedia

    Astrophysics is the branch of astronomy that deals with the physics of the universe. It involves studies of the physical properties (luminosity, density, temperature) and chemical composition of celestial …

  10. What is astrophysics? - The Daily Science

    Dec 18, 2023 · Astrophysics is a branch of astronomy that applies the principles of physics and chemistry to understand the nature, behavior, and physical properties of celestial objects and …