Asteroid / Comet
Micrometeorite
A microscopic grain of cosmic dust on Earth.
Tiny extraterrestrial particles, typically under 2 mm, that survive entry and settle on Earth — kilograms rain down daily.
Overview
Tiny extraterrestrial particles, typically under 2 mm, that survive entry and settle on Earth — kilograms rain down daily.
See also
Near-Earth Asteroid
An asteroid whose orbit ventures near Earth.
Asteroids
Rocky relics of the early Solar System.
Comets
Dirty snowballs from the outer Solar System.
Meteoroids, Meteors & Meteorites
Three names for one falling rock.
Trojan Asteroid
An asteroid sharing a planet's orbit at L4 or L5.
Centaur Object
An icy small body roaming the outer planets.