We observe twinkling of stars due to? – McqOptions

MCQOPTIONS

1.	We observe twinkling of stars due to?
A.	frequent and periodic fluctuation of temperature of the surface
B.	constant change of refractive index of the medium between the stars and the Earth because of temperature variation
C.	rise and fall of gaseous ball of fire inside the stars
D.	great distance of stars from the Earth
Answer» C. rise and fall of gaseous ball of fire inside the stars

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