Question

what is asteroid and meteroid

Answer 1

Space debris smaller than an asteroid are called meteoroids.

Asteroid: a large rocky body in space, in orbit around the Sun.

Answer 2

Any of the many small planets that go around the sun. They are also called minor planets.

Meteoroids are objects in space that range in size from dust grains to small asteroids. Think of them as “space rocks." When meteoroids enter Earth's atmosphere (or that of another planet, like Mars) at high speed and burn up, the fireballs or “shooting stars” are called meteors.