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Planets do not shine like stars. Why?

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Stars produce light, whereas planets reflect light.

Starlight travels more quickly than planets.

Closer planets are not point sources, whereas stars appear to be point sources due to their great distance.

Stars may emit light in fragments, but planets emit light continuously.

answer is A.

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Detailed Solution

Planets do not produce light. They become visible, however, due to the reflection of light falling on them.

Planets are much closer to the Earth than stars. Planets cannot sparkle like stars because they are not point sources, whereas stars appear to be point sources due to their great distance.

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