Multiple choice general knowledge science & technology

What term is used to describe a star that has low surface temperature and a diameter that is large compared to the sun

  1. Red giant

  2. Supernova

  3. Quasar

  4. Nebula
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A Correct answer
Explanation

A red giant is a star that has low surface temperature (appearing red) but has expanded to a diameter much larger than the sun due to stellar evolution. A supernova is a stellar explosion. A quasar is an extremely luminous active galactic nucleus. A nebula is a cloud of gas and dust in space.

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