Meaning & Definition of word "Astrophysics"

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    Astrophysics

    /ˌæstroʊˈfɪzɪks/

    noun:

    • 1. The branch of astronomy that deals with the physics of celestial objects and phenomena.
      • Example: He decided to specialize in astrophysics because of his passion for understanding the universe.
    • 2. A field of study that seeks to understand the fundamental principles governing the behavior and interactions of astronomical systems.
      • Example: Astrophysics has provided insights into the lifecycle of stars and the evolution of galaxies.
    • 3. A discipline that combines aspects of physics and astronomy to study the nature of space and time.
      • Example: Many groundbreaking discoveries in astrophysics have changed our understanding of black holes.
    • 4. The study of the universe's structure and origin using the methods of physical science.
      • Example: The research conducted in astrophysics is crucial for explaining phenomena such as dark matter and dark energy.
    • 5. A scientific field that blends theoretical and observational approaches to explore cosmic questions.
      • Example: Professor Smith's lectures on astrophysics are always filled with the latest discoveries and theories.

    Etymology

    1860s: from astro- 'relating to stars' + physics.

    Common Phrases and Expressions

    black hole:

    A region of space so dense that nothing can escape its gravitational pull.

    light year:

    The distance that light travels in one year, used as a measure of astronomical distances.

    supernova:

    A stellar explosion that occurs at the end of a star's life cycle.

    Related Words

    astronomy:

    The scientific study of celestial bodies, space, and the universe as a whole.

    cosmology:

    The science of the origin and development of the universe.

    gravitational waves:

    Ripples in spacetime caused by accelerating masses, as predicted by Einstein's theory of general relativity.

    Slang Meanings of astrophysics

    Meaning: Astro nerd

    Example Sentence: He’s such an astro nerd, always talking about space and astrophysics.

    Meaning: Star geek

    Example Sentence: Don’t mind him, he’s just a star geek who loves astrophysics.