Some have speculated that it was an actual planet that broke up, but the mass would be lower than expected for a planet. The more likely reason is that massive Jupiter prevented a planet from forming there in the first place, siphoning off most of the lighter elements as the planets were forming.
There is an asteroid belt. It is held in between mars and jupiter.
Asteroids. There are many thousand in the Main Belt that occupies an empty orbit between Mars and Jupiter. The largest asteroid, Ceres, has been classified as a "dwarf planet" and contains about 1/3 of the total mass of asteroids in the Main Belt.
The main asteroid belt is actually called the asteroid belt - pretty dull really.
Gravity
Mars is not in the asteroid belt. The Asteroid Belt is between Mars and Jupiter.
The asteroid belt is in between Mars and Jupiter.
Venus is not in any asteroid belt.
The asteroid belt is not in Jupiter.
Inner.
The main asteroid belt is actually called the asteroid belt - pretty dull really.
The planet Jupiter is outside the asteroid belt, which is located in between the orbits of Mars and Jupiter.
Yes, the asteroid belt starts properly after the orbit of Mars.