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Astronomy

Scientific study of celestial objects and the physical universe.

Astrophysics

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

Pronunciation

/əˈstrɒnəmi/

Etymology

Astronomy derives from Greek astron (star) and nomos (law or rule).

Explain Like I’m 5

Astronomy is like being a cosmic detective, using telescopes and math to figure out how stars, planets, and the whole universe work.

Fun Facts

The universe is expanding
There are billions of galaxies in the observable universe
A light-year is the distance light travels in one year

FAQ

What does astronomy study? It studies celestial objects and the physical universe
Who are famous astronomers? Galileo Galilei, Nicolaus Copernicus, Edwin Hubble
What tools do astronomers use? Telescopes, satellites, computers

Hypernyms — Broader Categories

Science Physics

Hyponyms — Specific Examples

Astrophysics Cosmology Astrology

Indexes

academic discipline scientific theoretical

Related

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