The Pacific Ocean Explosion
Planetary science - for iPod/iPhone
English - January 23, 2009 02:58 - 2 minutes - 10.3 MB Video - ★★★★★ - 2 ratingsCourses Education Science fireball projectile ejection shockwave atmosphere penetrate explode geology rock environment Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Japanese fishermen witness a 20 kiloton event. But what size impact could cause mass extinction on Earth?