Long Answer Type Question
Q.7. Make a comparative study between a star, a planet and a satellite.
Answers
•Star:
1. A star is a celestial body that emits it own light and heat.
2. It doesn't revolve around any other object.
3. Stars also form patterns called constellations. E.g.,Orion,leo etc
4. Examples,
Sun,Sirius,Canopus etc
5. They are made up of gases like hydrogen and helium
•Planet:
1. A planet doesn't emit heat and it's own light (The light emitted,is a reflection of a light of a star)
2. They revolve around a star
3. An arrangement of group of plants is called a solar system
4. Examples,
Earth,Saturn etc
5. There are two types of planets- gas gaints and rocky planets
•Satellites:
I am confused whether you want about natural or artificial satellites. Hence,I am writing about both
1.Natural satellites:
These are the heavenly objects that revolve around a planet,helping it in stabilizing it's axis. Moon is the moon of Earth,our moon is also known as Luna. Moreover,it is a source of light for Earth.
How is the question?
The sunlight falls on moon which reflects back on Earth
2. Artificial satellites:
A satellite is an electrical device launched into the space for the purpose of tele-communications and defence purposes. Aryabhatta was the first satellites launched by India. India's own space centre,ISRO is located in Nellore,Andhra Pradesh