Astrophysics

/ˌæstroʊˈfɪzɪks/

Meaning & Definition

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

Astro nerd
He’s such an astro nerd, always talking about space and astrophysics.
Star geek
Don’t mind him, he’s just a star geek who loves astrophysics.