From YouTube, "The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions... continue reading
posted by w1ndex 1 year 6 months 2 weeks ago • 354 views • 11:59search results matching tag: supervolcano
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YouTube description: One of the most dynamic, transformative, and potentially dangerous features in North America is also responsible for some of the continent’s most amazing fossil deposits. It’s... continue reading
posted by Aard Vark (oritteropo) 5 years 8 months 1 week ago • 271 views • 9:39- 1