Space/Science — HabitableZone

Space/Science » in reply to Man finds huge asteroid in Australia with Google Earth

re: Man finds huge asteroid in Australia with Google Earth
Post Sputnik — (archived)

Wouldn't that have essentially ticked off the start of the Cambrian Era, at 542 MBP more or less, by simple logical default?

http://en.wikipedia.org/wiki/Cambrian

They don't get much bigger than that, in that time frame.

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