Which of these refers to a small celestial object orbiting the Sun and ranging in size from a grain of sand to a boulder?

Meteors. If they are larger than about 10 meters, they are called asteroids or planetoids.

Meteors. If they are larger than about 10 meters, they are called asteroids or planetoids.

Meteors. If they are larger than about 10 meters, they are called asteroids or planetoids.

Meteors. If they are larger than about 10 meters, they are called asteroids or planetoids.