What is a Planet ?

Definition : A planet is a large, nearly spherical object that revolves around the Sun.


Important point:



  • Revolution: The movement of a planet around the Sun.

  • Orbit: The fixed path followed by a planet around the Sun.



Note:



  1. Planets do not have their own light. They shine because they reflect the Sun's light.

  2. Planets move around the Sun in fixed paths called orbits.

  3. Earth is also a planet.

  4. There are eight planets in our Solar System.


Trick : Planet = Revolves around Sun + Follows an Orbit + Reflects Sun's Light.


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MCQ – What is a Planet ?


1. What is a planet ?


A) A star that produces light B) A large, nearly spherical object that revolves around the Sun C) A cloud of gas D) A satellite


Ans: B) A large, nearly spherical object that revolves around the Sun


Explanation: A planet is a large, nearly spherical object that moves around the Sun in an orbit.


2. How many planets are there in our Solar System ?


A) 7 B) 8 C) 9 D) 10


Ans: B) 8


Explanation: There are eight recognized planets in our Solar System.


3. What is the path followed by a planet around the Sun called ?


A) Axis B) Orbit C) Equator D) Galaxy


Ans: B) Orbit


Explanation: The fixed path in which a planet revolves around the Sun is called its orbit.


4. Do planets have their own light ?


A) Yes B) No C) Only Earth D) Only Jupiter


Ans: B) No


Explanation: Planets do not produce their own visible light; they reflect light from the Sun.


5. Which of the following is a planet ?


A) Sun B) Moon C) Earth D) Pole Star


Ans: C) Earth


Explanation: Earth is the third planet from the Sun.


6. The movement of a planet around the Sun is called:


A) Rotation B) Revolution C) Reflection D) Vibration


Ans: B) Revolution


Explanation: Revolution means the movement of a planet around the Sun.


Trick: Planet = Revolves around Sun + Follows an Orbit + Reflects Sun's Light + 8 Planets


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