Which one among the following is not a luminous object?

[amp_mcq option1=”Sun” option2=”Proxima Centauri” option3=”Jupiter” option4=”Alpha Centauri” correct=”option3″]

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UPSC CAPF – 2021

Luminous objects are those that produce and emit their own light. Non-luminous objects do not produce light but are visible because they reflect light from a luminous source.

The Sun, Proxima Centauri, and Alpha Centauri are all stars. Stars are massive, luminous celestial bodies that emit light through nuclear fusion. Jupiter is a planet, which is a large celestial body orbiting a star. Planets are non-luminous; they are visible because they reflect the light from their star (in Jupiter’s case, the Sun).

Examples of luminous objects include stars, lamps, and candles. Examples of non-luminous objects include planets, moons, tables, and chairs.

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