akemiiwaya at June 11th, 2014 13:20 — #1
Originally published at: http://www.howtogeek.com/190950/cosmic-journeys-super-volcanoes/
We are all well aware of what a ‘normal’ sized volcano can do, but imagine ones so powerful they can cause climate collapse, mass extinction, and more! YouTube channel SpaceRip looks at Earth’s super volcanoes and their effect on our planet in the past in today’s video.
system at June 21st, 2014 13:20 — #2
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