2017Every Day ScienceMedium
Blue dwarfs’ and ‘Red giants’ respectively refer to:
AOld star and Young star
BYoung star and Old star
CNone of these
DMoons of Jupiter
Correct answer
A. Old star and Young star
Explanation
Blue dwarfs are hypothetical stars that are in the early stages of their life cycle, while red giants are stars in a later stage, having exhausted the hydrogen in their cores.