Question

What is the correct reason for blinking / flickering of stars? Explain it.

A) The blasts in the stars.

B) Absorption of star light by the atmosphere.

C) Motion of the stars.

D) Changing refractive index of gases in the atmosphere.
plz suggest me a answer which can give me 3 marks​

Answer 1

d. changing refractive index of gases in the atmosphere

Step-by-step explanation:

light from a star passes through the atmosphere to reach our eyes. however, the layers of gases in the atmosphere are in constant motion, so the light gets bent and appears to be flickering.

i hope this helps! :D