Thus, it is extremely unlikely that any two stars would collide.

It is unlikely that any stars in the two galaxies collided directly because of the vast distances between them.

Because galaxies are mostly nearly-empty space the stars and planets in the two galaxies don't collide with each other.

Yes," said the Engineer, "like two stars colliding.

If two such stars collided, pieces of the stars would be thrown off at tremendous speeds.

Unfortunately, when the calculations were done, it was found that the force only became sufficient at about the same time that the stars actually collided.

Two big stars collided last night, not once but twice.

They would be produced when strange stars are formed or collide, or when a nucleus decays.

It just felt like all the stars collided when we made that play.

She wanted to know precisely what would happen when those two stars collided, and she wasn't satisfied with the answers she was getting.