PPT Slide
The Solar System: Minor Bodies
There is a lot of debris in the solar system, including meteoroids, asteroids and comets …………
Asteroid: A small planetary body composed mostly of rock or metals; most orbit in the asteroid belt between Mars and Jupiter. All known asteroids have diameters less than 1,000 km. Lower size limit often taken to be about 10 m.
Many unaltered since their formation - give clues to Solar System formation