General Knowledge - Physics - Discussion

Discussion :: Physics - Section 1 (Q.No.72)


Planets are

[A]. luminous heavenly bodies revolving around a star
[B]. non-luminous heavenly bodies
[C]. luminous heavenly bodies that twinkle
[D]. luminous heavenly bodies that do not twinkle

Answer: Option B


No answer description available for this question.

Tin said: (Feb 22, 2012)  
Planets don't have their own light so they are said to be non-luminous.

Raj said: (May 8, 2013)  
What is luminous heavenly bodies?

Ankit said: (Sep 29, 2013)  
Which don't have their own light.

Fon. L said: (Sep 25, 2015)  
The planet don't twinkle because the are close to the earth.

Viswak said: (Apr 26, 2016)  
The light from the planets are not from themselves rather they are the reflected light from the sun. So, only the sun is luminous.

Elakiya Jyothi said: (Jun 4, 2016)  
Luminous means the thing which emits its own light but planets are just reflecting.

Siva Rama Krishna said: (Sep 9, 2017)  
You are right @Viswak and @Elakiya Jyothi. Thank you @Tin.

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