📖 Chapter 12 of 12 · Mysterious Space- Basic 2 · Class 7
A Little Space Glossary
- Solar System
- The Sun together with the eight planets, their moons, and smaller rocks and ice.
- Planet
- A large round world that travels around the Sun. The Earth is a planet.
- Orbit
- The path along which one object travels around another, such as a planet around the Sun.
- Gravity
- The invisible pull that draws objects together; the Earth's gravity holds us down and keeps the Moon in orbit.
- Season
- A part of the year, such as summer or winter, caused by the Earth's lean as it travels around the Sun.
- Solar eclipse
- When the Moon passes between the Sun and the Earth and blocks the Sun's light.
- Lunar eclipse
- When the Earth's shadow falls on the Moon, often turning it coppery-red.
- Satellite
- A machine sent up to travel around the Earth, used for signals, weather and navigation.
- Comet
- A ball of ice and dust that travels around the Sun and grows a glowing tail.
- Meteor
- A tiny piece of rock or dust that burns up in the air, seen as a ‘shooting star’.
- Space station
- A large machine circling the Earth, where astronauts live and work.
- Mangalyaan
- India's spacecraft that reached Mars in 2014.