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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 …

  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 …

  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 …

  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 …

  5. Introduction to Astrophysics - Department of Astrophysical …

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

  6. NASA Astrophysics - Science@NASA

    Nov 18, 2025 · We study how the universe began and evolved, how it works, and where life might exist beyond Earth.

  7. What is Astrophysics? (with pictures) - AllTheScience

    May 21, 2024 · Astrophysics is a branch of astronomy that analyzes the properties and interactions of cosmological objects based on known physical law. The term is slightly …

  8. 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 …

  9. 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 …

  10. 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 …