Anywhere from the size of pebbles (1 cm) to gigantic rocks that rival some of the moons of other planets for size (1000 km diameter)
Comets are Comets and Asteroids are Asteroids
Asteroids and Comets
There are no known asteroids or comets that have impacted Mercury.
Many cultures have superstitious beliefs about comets and asteroids. The Philippines do not seem to share superstitions of comets and asteroids.
Comets!
Comets
No. Comets orbit the sun.
asteroids belt
It is possible for comets and asteroids to hit Earth, but they are extremely rare events.
no
scientific understanding of comets,asteroids,and meteor
Understanding - 1994 Asteroids and Comets was released on: USA: 2001