How does a boomerang return to you after you throw it?

Question

How does a boomerang return to you after you throw it?

In: 144

Answer 1

Have you ever seen those little seeds that fall from trees that look like a propellor falling down? It spins, but it also falls down in a circular shape.

Now imagine you make it 10 times bigger/heavier, and throw it sideways. It does the exact same thing but in a wider circle.