CBSE Science Class 8
Stars and the Solar System
Stars and the Solar System - Chapter Wise CBSE Solved Question and Answer Based On NCERT
Points To Remember:
- In the night sky there are moon, stars, planets and other celestial objects
- The phases of moon occur, because we are able to see only that part of the moon which reflects the light of the sun towards us
- Stars emit their own light. Sun is also a star, the distances of stars is expressed in light years
- Stars are present during the day time also but are not visible to us because of the bright sunlight
- Group of stars having a recognisable shape is called constellation
- Sun and the celestial bodies which revolve around it form the solar system, earth is also a member of solar system and it revolves around the sun
- Sun is the nearest star from us; it is continuously emitting huge amounts of heat and light
- Planets do not have their own light, they reflects sunlight and they do not twinkle like the stars
- Planet revolves around the sun in a definite path called as orbit
- Moon is a natural satellite of the Earth
- Venus is the brightest planet in the night sky and Jupiter is the largest planet of the solar system
- Artificial satellites are used for the weather forecasting, long distance communication and remote sensing
