Question

star sometimes appears bright and some other times fainter what is the effect called state the reason for this effect​

Answer 1

Answer:

here's your answer bro

Explanation:

A star sometimes appears brighter and at times fainter, this effect is called the "twinkling effect". The reason for this effect is atmospheric refraction.

Answer 2

A star sometimes appears brighter and at times fainter, this effect is called the "twinkling effect".

The reason for this effect is atmospheric refraction.