. Mark the correct answer in thefollowing questions.A. What is the reason for the twinklingof stars?i . Explosions occurring in stars fromtime to timeii. Absorption of light in the earth’satmosphereiii. Motion of starsiv. Changing refractive index of theatmospheric gases

Twinkling of stars is due to atmospheric(a) dispersion of light by water droplets(b) refraction of light by different layers of varying refractive indices(c) scattering of light by dust particles(d) internal reflection of light by clouds

Why doesn�t planet appear to be twinkling

Explain why the planets do not twinkle? :-)

A shockwave passes by and the force of gravity starts to bring the gas and dust inwards; it begins to circle and forms a(n) _______.*1 pointPlanetary NebulaMolecular CloudProtostarAccretion DiscSupernovaStarSecond Stage: At the center of the swirling gas and dust, heat and pressure build up inside of the _______. Scientists find this stage using infrared telescopes. *1 pointPlanetary NebulaMolecular CloudProtostarAccretion DiscSupernovaStar

Question 21 pts_____________________ is caused by liquids, chemicals, heat, light, and noise.Group of answer choicestemperature inversionspollutionacid rainair