Stars primarily light. A) emit B) reflect C)refract D) absorb

Answer is option A.

Stars primarily emit light.

Explanation:

All the stars including the Sun are astronomical objects mostly made up of hydrogen and helium that are held together by their own gravity. They are the luminous ball of gas, which produces and emits light (photons) and heat created by nuclear fusion reactions taking place in their core using the energy stored in them.

Photons are elementary particles that form the fundamental unit of light. The light or photons from a star can be absorbed by any matter including other stars, our eyes, etc.

Most of the celestial bodies in space (other than stars) such as planets, their moons, asteroids, comets, etc reflect light.  

When passing through the atmosphere, the light from the stars is bent or refracted in different directions by the air and other particles present in the atmosphere and causes the appearance of the twinkling of stars.

answer:

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explanation: