What are the bright objects that are in the night sky which are not luminous?

Stars

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Planets

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Constellations

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The Sun

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Solution

The correct option is B Planets
Planets are not luminous. They do not have light of their own. They are visible because they reflect the light of the Sun. Stars are luminous. They produce light through nuclear reactions, using the energy stored at the center of the atoms in the small nucleus. Constellations being a group of stars and Sun also being a star are all luminous.

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