There is no way to determine an exact number for just in our Solar System, let alone all of space. The number keeps changing as they collide with each other either breaking off smaller asteroids or fusing together forming larger asteroids, or collide with planets or the sun and are destroyed. We can't see them around other stars, but there are inevitably some.
meteoroids
Stars are tremendously larger than asteroids and do not become asteroids.
Asteroids have no use as yet. They are simply rocks in space. Many science fiction writers, however, have theorized using asteroids for mining.
Just about any object in space will rotate - not just asteroids.
asteroids are from space and a comment is something someone says
Asteroids are are big rocks floating in space. alot of asteroids can be found in the asteroid belt
asteroids
Asteroids.
· asteroids · atmosphere
Asteroids
because there is no gravity in space
Yes, nukes(nuclear weapons) can travel up into space to destroy asteroids and huge flying rocks.