PhysicsState whether the following statement is true or false:Stars twinkle because of turbulence in the earth’s atmosphere. Planets do not have nuclear fusion, they do not produce their own light.

State whether the following statement is true or false:


Stars twinkle because of turbulence in the earth's atmosphere. Planets do not have nuclear fusion, they do not produce their own light.


  1. A
    True
  2. B
    False 

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    Solution:

    The given statement is true.
    Concept: The stars may be seen sparkling whenever we look up at the night sky. One may undoubtedly wonder why the planets don't twinkle if the stars do. Following is an explanation for this:
    Planets are closer to the Earth's surface than stars are. when seen from the waves of the earth
    When seen via a telescope, stars appear as pinpoint objects, while planets appear as disc-shaped objects.
    It seems as though a single spot is where the light from the stars is coming from. The existence of the Earth's atmosphere also causes the light from the stars to undergo several refractions, which results in the starlight's zigzag route. The light's brightening and subsequent fading are caused by this refraction. Twinkling is the term for this star-like fluttering. However, since the planets are so close together, there is no brightening or dimming of the light even if there is refraction in the case of the planets. The planets glow steadily as a result.
    Therefore, the accurate response is that planets do not have nuclear fusion, so they cannot generate their own light. Stars twinkle because of turbulence in the earth's atmosphere.
    Hence, the given statement is true.
     
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