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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. ASTROPHYSICS Definition & Meaning - Merriam-Webster

    The meaning of ASTROPHYSICS is a branch of astronomy dealing especially with the behavior, physical properties, and dynamic processes of celestial objects and phenomena.

  3. 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 …

  4. Introduction to Astrophysics - Department of Astrophysical …

    Jan 22, 2022 · We research these topics using both observational and data-analysis tools, as well as extensive theoretical and computational techniques. The undergraduate program in …

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

    Sep 22, 2025 · 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 …

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

    Astrophysics is the study of the universe with using science, physics, and math. It helps us make sense of the world and not just look at it like astronomy does.

  7. ASTROPHYSICS Definition & Meaning | Dictionary.com

    Astrophysics definition: the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of celestial bodies …

  8. ASTROPHYSICS | English meaning - Cambridge Dictionary

    ASTROPHYSICS definition: 1. the type of astronomy that uses physical laws and ideas to explain the behaviour of the stars…. Learn more.

  9. astrophysics noun - Definition, pictures, pronunciation and …

    Definition of astrophysics noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. 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 …