Describes fifteen of the most unusual known stars, plus other interesting stellar objects.

In the vast realm of outer space, accidents happen all the time. Things bump into each other. Stars blow up. Space rocks smash into planets. Black holes gobble up everything in their path. The sun is burning out. A comet swarm is bearing down. Any of this could change -- or even eliminate -- life on a planet like Earth. Countdown to cosmic catastrophes! From asteroid hit to alien invasion, astronomer David Aguilar builds the scientific case for seven...

A tour of outer space explores the solar system as well as stars, galaxies, and the birth of planets, and speculates on whether other intelligent beings exist in the universe.