y

Posted by SpaceMan in Comets & Meteors on 03 22nd, 2010 | no responses

The Comets Tale 4 of 6 – This BBC Documentary looks at the Secrets of Death , Life and Gravity and the Ultimate Story of a Comet. The Historic origins in Mythology, but also their meaning within our Hub. This part looks at Comet composition, tail formation & the potential threats to the planet by looking at previous impacts and their environmental effects, such as through Air Bursts & examples like the 1908 Siberian Impact in Tunguska and the 1994 Jupiter impact of Comet Shoemaker-Levy (SL9). For more Information on the Tunguska event see en.wikipedia.org and also see www.psi.edu For more information on the 1994 Jupiter Shoemaker-Levy collision see eg www2.jpl.nasa.gov