<P> Meteoroids are significantly smaller than asteroids , and range in size from small grains to one - meter - wide objects . Objects smaller than this are classified as micrometeoroids or space dust . Most are fragments from comets or asteroids , whereas others are collision impact debris ejected from bodies such as the Moon or Mars . </P>
<P> Meteoroids are significantly smaller than asteroids , and range in size from small grains to one - meter - wide objects . Objects smaller than this are classified as micrometeoroids or space dust . Most are fragments from comets or asteroids , whereas others are collision impact debris ejected from bodies such as the Moon or Mars . </P>
what is the average size of a meteor
what is the average size of a meteor
small grains to one - meter - wide
small grains to one - meter - wide