a flying rock
It doesn't. In an estimated 23 years, a belt of asteroids will collide with the earth.
So we can guess when a meteor might hit the Earth.
That's right; Ceres is the largest asteroid.
asteroid
The asteroid missed the Earth's atmosphere by inches.We will begin asteroid mining soon.
If there is an atmosphere, the light will gradually dim as the asteroid approaches the asteroid.
Main asteroid beltThe asteroid belt
Ceres is smaller than any planet; even smaller than Pluto.
Nothing
a rather large asteroid
The density of an asteroid differs.
TO get into the asteroid castle you have to complete the puzzle on the door.