Explain
a.Twinkling of stars
b.planets do not twinkle
c.advanced sunrise and delayed sunset.
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Answers
Twinkling of stars?
⇒ Stars twinkle because they’re so far away from Earth that when light from the stars passes through the atmosphere, it is bent countless times due to refraction, making it look like as if they were blinking. The sun doesn’t twinkle because it’s too close to Earth compared to other stars
Planets do not twinkle?
⇒Planets, just like the Sun, do not twinkle. Planets are also closer to the Earth than those distant stars, so planets appear larger in comparison. Due to the planets’ closeness to Earth, the light coming from these celestial bodies does not bend much due to Earth’s atmosphere.
Advanced sunrise and delayed sunset.
⇒ Advanced sunrise and delayed sunset The sunrise is advanced due to the atmospheric refraction of sunlight. An observer on the earth sees the sun two minutes before the sun reaches the horizon. A ray of sunlight entering the earth’s atmosphere follows a curved path due to atmosphere refraction before reaching the earth.