Word of the Day — September 17, 2026

comet

/COM-et/nounComfortable challenge

Definition

A dirty snowball from space that swings by Earth on a super-long, oval path around the sun.

(astronomy) a relatively small extraterrestrial body consisting of a frozen mass that travels around the sun in a highly elliptical orbit

Memory Hook

Think of a comet as a cosmic wanderer with a glowing tail—it's like a celestial kite streaming through the darkness, visiting us only every few decades or centuries.