What enables stars to pulsate?

1 Answer
A. S. Adikesavan
Mar 9, 2016

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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