The Sky at Night

Name: The Sky at Night S45E9 - Great Balls of Fire
Uploaded: 2001-08-20
Description: Patrick Moore continues his discussion with Jay Tate and Lembit Opik about the threat to the Earth from a Potentially Hazardous Object. They look at the disastrous environmental effects that might happen after a large scale impact, how we are searching the night skies for Near Earth Objects and what could be done to avert disaster.