http://news.yahoo.com/s/nm/20100304/sc_nm/us_dinosaurs_asteroid
What killed the dinosaurs? An asteroid. At least, according to this article here above.
I've read elsewhere from other scientists that study the history of the Earth and universe; they postulate an asteroid hit the Earth so damn hard it knocked off a portion of the planet and we were left with what used to look like Pangea. Yeah, apparently Earth used to be much bigger until an asteroid came and knocked off a smidgin. Remember Pangea? It's the first and single mass of land. Today's seven continents daringly resemble the puzzle pieces of what it would look like if all of them attached into one single land mass again. That's Pangea.
Could this be the same event? Yeah, likely! It wreaked havoc across the planet. If you were the lucky dinosaur that survived the impact of the asteroid, then you died later due to the planetary effects of the asteroid. Only cockroaches survive this sort of thing. The damage caused a dark, literally dark winter. No sunlight could get through the horrific cloud of dust and soot, so plants and animal species died. The food source, and essentially two air sources (animals and plants), died. Crazy right? Plants die without sun because they can't create chloryphyll. Plants convert Co2 to Oxygen. No oxygen? Then animals die. Without sun, we are so dead. There is just no way to sustain. I've thought about worshipping the sun lately as I've increasingly learned to revere its existence.
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