Discussion :: Universe
- Which of the following is not related to solar system?
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Answer : Option D
Explanation :
Nebula is the dense cloud of gases mainly Helium & Hydrogen & dust. They occur at primary stages & then from them galaxies are formed. It is a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
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