A small asteroid exploded in the atmosphere over Chelyabinsk, Russia, on 15 February.

Then he lifted off the small asteroid and headed toward Ceres.

Chelyabinsk was a demonstration of what a small asteroid can do.

But even a small asteroid-thesize of a house, say-coulddestroy a city.

It's the potential for a small asteroid to be mistaken for a thermonuclear attack.

But Idria is a small asteroid sharing a star system with some powerful institutions.

The cargo hold was filled with enough explosives to blow apart a small asteroid.

It didn't take Joe long to land the ship on the surface of the small asteroid.

A meteor, I told myself-maybe-evena small asteroid.

The man went over to a small asteroid cruiser, built for speed in touring the Asteroid Belt.

On one occasion, the unknown beings had moved a small asteroid-thephantom satellite Nestria-into orbit about the earth.

In 1908, a small asteroid exploded over Tunguska in Siberia and devastated 1287sq km.

And it's a small asteroid.

It looked harmless enough: just another small asteroid, shaped so exactly like a peanut that the resemblance was almost comical.

The upper part of the cable, anchored in space by a small asteroid, was suddenly released from the planet's hold.

NASA also said that " small asteroids like this pass by Earth a few times per month".