ELi5 what makes the sun a star and not a planet? And why is the moon not considered a planet?

Question

ELi5 what makes the sun a star and not a planet? And why is the moon not considered a planet?

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Answer 1

Lots of things, like what they’re made of and how they form.
But in the simplist way.
Planets orbit stars.
Moons orbit planets.

Stars have a life cycle that involves eating their planets before they die.