What does separation of powers mean?

So not too much power is given to others, the powers are separated into the legislative, executive, and judicial branches. This is so that each opinion is represented, and one person does not have power over everything.

Explanation:

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; necessity-driven;