Discovery Miracle Planet Disc 1: The Violent Past (2005)

Index
Peter's DVD rating: 3.5 stars
QE501 .B8182 2005 (551 MIR)
4:00Earth formed from 10 impacts; last gave rise to iron core and moon 4.5 billion years ago 12:30 Barringer Meteorite Crater 50,000 years old (Arizona) 17:30Simulation of 500-kilometer meteor impact 4 billion yeats ago
29:00Ancient bacteria brought back to life: Bacillus permians spores recovered from 200 million-year-old salt crystals from Permian sea (salt lakes American Southwest) 38:00 Anaerobic bacteria found in deep gold mine (3 km) still possess genes for oxygen respiration (South Africa)   
Earth-moon.JPG
4:00 moon
Barringer_Crater.JPG
12:30 Barringer Meteorite Crater
Meteor_impact.JPG
17:30 500-kilometer meteor impact
Bacillus_permians.jpg
29:00 Bacillus permians spores
salt_crystal.JPG
29:00 salt crystals
Anaerobic.JPG
38:00 Anaerobic bacteria
Index Feb 21, 2010 copyleft Peter Chen