Up to 2012, there was no way to know whether the possible collision was definitely going to happen or not.

His comments thus set up a possible collision between labor and the Democratic leadership in Congress.

That would be about four years before a possible collision with Earth.

Searches for dark matter interactions have detected some possible collisions on Earth.

The announcement did not mention a possible collision but suggested that the asteroid should be watched.

In a possible collision, cars might even communicate on their avoidance strategy.

It has the highest Palermo rating with a value of 0.17 for a possible collision in the year 2880.

An important additional mission is forecasting possible collisions in space.

The system would warn drivers of a possible collision with enough time to prevent it.

In order to avoid a possible collision, the captain changed altitude.