Question

What enables stars to pulsate?

Answer 1

Distant stars' rays are light-lines. The pulsation is caused by scattering through heat-wind-moisture atmospheric-turbulence. ..

Explanation:

Scattering is ineffective on the thick bundle of solar rays. So, sun does not pulsate.

Astronauts in International Space Station (ISS) do not see any 'Twinkle Twinkle little stars'

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