- Comets are lumps of snow and rocky dust that orbit the sun .
- There are about 200 crore comets in the solar system.
- When comets come near the sun, they glow and develop a long tail .
- The most famous comet is the Halley’s comet , which appears every 76 years . It was last seen in 1986 and will appear again in 2062 .
Comets - Concepts - Chapter 1 Class 6 Geography - The Earth and the Solar System - Geography
Last updated at Aug. 28, 2023 by Teachoo