Multiple choice general knowledge

What are Blue Dwarfs and Red Giants?

  1. Pygmies and the Caucasians

  2. Young stars and old stars

  3. Old stars and young stars

  4. Native and hybrid varieties of milch cattle

  5. Short term and long term crops in wheat
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In stellar astronomy, blue dwarfs are young, hot stars that burn brightly with blue-white light, while red giants are older stars in a late stage of stellar evolution that have expanded and cooled, appearing red. The color indicates the star's temperature and evolutionary stage.

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