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Do you know the size differences between the Sun and the other stars? What is bigger: Neptune or Jupiter? Amazing and incredible facts about astronomy are waiting for you in Whats The Size!

EVERYTHING ABOUT CELESTIAL BODIES
- essential information about most famous space objects all around the universe
- interactive ruler of cosmic proportions - measure the objects from stardust to hypergiants

ASTRONOMY QUIZ
- learn facts about space while playing
- play against time and increasing difficulty
- track your results via graphical representation