Comment What about air density at the time? (Score 1) 264
Given that planetary gravity was probably not much different, what about the possibility that the atmosphere was significantly larger back then?
What if flight by such a large animal was quite easy, such as if there were 4 or 5 atmospheres of pressure at sea level?
What if flight by such a large animal was quite easy, such as if there were 4 or 5 atmospheres of pressure at sea level?
