comet

Definition

A celestial object consisting of a nucleus of ice and dust that, when near the sun, develops a tail of gas and dust pointing away from the sun.

한국어 태양 근처에서 gas 및 dust의 꼬리를 가지는 ice 및 dust의 핵으로 구성된 천체

Example

"Halley's Comet appears every 76 years."