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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. NASA Astrophysics - NASA Science

    Nov 18, 2025 · NASA’s Astrophysics missions explore the full spectrum of the cosmos—from infrared to visible light to X-rays and beyond—revealing the fundamental nature of the universe and our place …

  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 as the birth, life...

  4. Introduction to Astrophysics - Department of Astrophysical Sciences

    Jan 22, 2022 · We explore these properties of the Universe in our Department of Astrophysical Sciences at Princeton. We research these topics using both observational and data-analysis tools, as well as …

  5. 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 …

  6. Home | Center for Astrophysics | Harvard & Smithsonian

    The Center for Astrophysics is a collaboration between the Smithsonian Astrophysical Observatory and Harvard College Observatory that’s designed to ask big questions about the universe, build the tools …

  7. 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 …

  8. Astrophysics - Scientific American

    Jan 16, 2026 · Astrophysics coverage from Scientific American, featuring news and articles about advances in the field.

  9. 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 …

  10. Astronomy and astrophysics - Latest research and news | Nature

    Jan 14, 2026 · Astronomy and astrophysics are the study of objects and phenomena that are found beyond our solar system. This combines theoretical simulations and observation with both terrestrial …