Question

Why start are twinkle ing explain in brief

Answer 1

Answer:

Just like the Sun, which emit light indefinitely, stars can be considered as planets which continuously gives out light. But unlike Sun, it is far away. The stars twinkle due to the presence of hydrogen and helium emitting out. These hydrogen and helium molecules fuse together to form energy packets which emit out energy(Just like photons). The energy packets break down due to instability of hydrogen and helium molecules.

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Answer 2

Answer:

The change in intensity of light is called twinkling of stars.

Explanation:

The twinkling of stars occurs due to atmospheric refraction of star's light. the optical density of air continuously change from one moment to another. when the atmosphere refracts more star light towards us,stars appears to be bright while when they reflect less star light stars appears to be dim.Hence, the star light reaching our eyes change continuously and stars appear to twinkle

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