Pluto, which is no longer considered a planet, is made of rock and ice and is smaller than Earth's moon.
Pluto.
Actually, that description fits two known objects in our solar system: Pluto and the asteroid Ceres.
Both Venus and Mercury fit this description. Mercury is the smaller of the two.
Earth is a terrestrial planet composed of rock and metal. It has a diverse range of ecosystems that support a wide variety of life forms. It is the only planet known to have liquid water on its surface.
the moon
Pieces of rock that strike the surface of a moon or planet are called meteorites.
Actually Pluto is even smaller than our moon. The earths natural satellite the moon size is 1/6 of of earth. So now you can may be imagine how big is Pluto compared to earth. Pluto has now been downgraded from a planet to a chunk of rock.
Pluto
Yes. Mars is a dry, rocky planet somewhat smaller than Earth.
Smaller particles of rock are produced from larger particles.
Anything from another planet is extraterrestrial. Moon rock is extraterrestrial.
An asteroid is a rock that is far smaller than a planet or dwarf planet. They have no atmosphere. They may circle a sun or a planet.