Definition

The scientific study of celestial bodies, such as stars, planets, and galaxies, and the universe as a whole.

Example

She has always been fascinated by astronomy and loves to watch the stars at night.

Conversation

Have you ever been interested in astronomy?

Yeah, I love looking at the stars and learning about planets.

Me too! I find astronomy so fascinating, especially black holes.

Same here! It's amazing how much there is to discover in space.

Synonyms & Antonyms

Root Explanation

Astronomy is formed from "astro-" (from Greek "astron", meaning star) and "nomos" (meaning law or arrangement). The word refers to the study of the laws and arrangements of the stars.

Memory Tip

Think of 'stars' ('astro-') and 'laws' ('nomos') to remember that astronomy is the study of the laws governing the stars.

Visually Confused Words