World-renowned linguist Noam “Chomsky has often said that if a Martian visited Earth, it would think we all speak dialects of the same language, because all terrestrial languages share a common underlying structure,” Messaging Extraterrestrial Intelligence (METI) head Doug Vakoch. “But if aliens have language, would it be similar to ours? That’s the big question.”
“It takes little imagination to consider that the pre-Cambrian mass extinction event(s) was correlated with the impact of a giant life-bearing comet (or comets), and the subsequent seeding of Earth with new cosmic-derived cellular organisms and viral genes,” that hitched a ride to Earth on icy bolides. “Indeed,” this principle applies to the sudden appearance in the fossil record of pretty well all major life forms.”