On a nice clear night by the seafront or away from the public electric lights and artificial lights and its glares you look and see a lot of stars in the sky. When you gaze up and see the stars all bright and shining you will also notice that they twinkle. We see stars twinkle so from Earth's vision song, poems and stories have been written about: "Stars that Twinkle".
For at least 90% of a star's life it shines and beams light due to thermonuclear fusion in its core that releases energy through the stars interior that, then radiates itself in outer space. This show that star in its strength of brightness and energy that enables us to see it from outer space when we look at the sky on a clear visible night.
In outer space stars are brilliant beams of light beaming in all directions. Stars do not twinkle. The difference in how stars are seen in outer space as to how they are seen from Earth is: "The Atmosphere". The atmosphere in outer space is not the same matter as the atmosphere on Earth. The turbulence in the Earth's atmosphere causes the stars to appear to twinkle from where we are looking at the sky in our atmosphere. When we look at the sky and what appears to be a star twinkling is the Earth's turbulence that is causing the effects of it to the naked eye, which looks like a star twinkling.
On Earth our gravity pulls inward to our Earth's core so we stand up and not orbit. When we look up and towards our sky and above our atmosphere via a telescope we see a star in it real splendor and how it is seen from outer space better than with the naked eye. The turbulence in our atmosphere O2 and depending on the temperature the vision we get to see of the stars at night is like looking at something from underwater that is above us or seeing things as if in a hot steamy kitchen where the vision is distorted and not clear. Although it may look like a nice clear vision it is not when you are looking at it from a telescope of good setting.
The stars in outer space atmosphere has light pass through one layer of the star so it becomes refracted at one angle and again the light will pass through and be refracted at another angle creating this refraction of itself at different angles. When you see a star twinkle at night you are in fact seeing the accumulated layers of light/beams from distant stars traveling through each other at different angles.
The Earth's turbulence/light pollution and interference clouds this vision showing an appearance of
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