Many other global catastrophes could have occurred as a result of the asteroid impact.

Jack and Adam realize that the fire was indeed caused by an asteroid impact.

The band of them sprang up after the asteroid impact.

This is the first time that an asteroid impact on Earth has been accurately predicted.

Large quantities of water could be released, even today, by an asteroid impact.

Everything on Earth was affected following the asteroid impact.

Such asteroid impacts, fortunately, occur only every 10 million years or so.

It is not the case that at any given moment one is more likely to die from an asteroid impact.

What about the single asteroid impact that may have caused the extinction of the dinosaur?

The study of asteroid impact has what scientists like to call a high "giggle factor."