2 ms·
I love the idea of panspermia, it’s fascinating, but I think the evidence is against it. If life evolved elsewhere we would expect it to have undergone signific
by simonh 4y ago
I love the idea of panspermia, it’s fascinating, but I think the evidence is against it. If life evolved elsewhere we would expect it to have undergone significant evolutionary development before arriving on Earth, but that does not seem to be the case. The earliest life forms on Earth were incredibly primitive in terms of their molecular construction and biochemical pathways.