A small asteroid refers to a small rock or piece of debris that is in space and orbits around the Sun. It is smaller in size compared to larger asteroids and is usually a few meters to a few hundred meters in diameter. Full definition
Researchers now report that they can use this gamma ray radiation to infer the number of small asteroids in different groups of small solar system bodies. (kavlifoundation.org)
Recent observations have revealed that it is spherical, unlike the irregular shapes of smaller asteroids with less gravity. (sciencedaily.com)
The new asteroid impact map released by NASA shows that, in the last twenty years, Earth has been hit by small asteroids - also called... (outerplaces.com)