Asmall, rocky particle that moves through space and strikes a planet or moon is referred to as a/an
a. comet.
b. impact crater.
c. asteroid.
d. meteorite.

A small, rocky particle that moves through space and strikes a planet or moon is referred to as a meteorite.

A meteorite is a substantial part of the wreckage from a root such as an asteroid including comet, that begins in outer space and persists its influence amidst the Earth's exterior. It is described as a meteoroid before its collision. Meteorite's intensity can change from petite to remarkably big.