Published on: December 2, 2020 5:41 PM
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What do you see in the Sky?
Stars |
Planets |
Objects that are twinkling or flickering. Eg., Sun |
Objects that are glowing but not twinkling/ flickering. |
Stars emit a large amount of heat and light |
Don’t have their own heat and light. Instead, they are lit by the light of stars. |
Constellations like Ursa Major or Big Bear, Saptarshi or Small Bear |
8 Planets – Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
North Star or Pole Star |
The Moon and other satellites |
Pointer Stars |
Asteroids and Meteoroids |
Stars are big heavenly bodies |
Planets are called 'Wanderers' because they revolve around the sun in a fixed orbit. |
There are many stars which we cannot see with our naked eyes |
Planets can be seen with the help of the telescope. |
The Solar System
The Sun, 8 Planets, Satellites and some other celestial bodies known as asteroids and meteoroids make the Solar System. It’s a solar family with the Sun as its head.
Important Terms and Explanations
Celestial Bodies |
The sun, the moon, and all those objects shining in the sky |
‘Sol’ |
Sun God in Roman mythology |
Constellation |
A huge group of stars forming various patterns in the sky. E.g., Ursa Major, Saptarshi |
Stars |
Big and hot, made up of gases. Have their own heat and light, emitting them in huge amounts. E.g., Sun |
Nebula |
Stars are formed from the clouds of gas and dust in space, called nebula and have their own heat and light. |
Pole Star |
Also called the North Star. Can be used to determine directions. Always remain in the same position in the sky. Can be located using Saptarshi. Facing North, one can see it through an imaginary line joining the two pointer stars and extended further. |
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