03-24-2015, 06:47 AM
Keep in mind, I don't believe he ever gave specific timeframes for that. Given how many gigantic changes Earth has gone through in the last couple billion years, it's entirely possible he's talking about a much different Venus than the one we know today.
We know very little about its history, since it's so mind-bogglingly inhospitable at the moment.
We know very little about its history, since it's so mind-bogglingly inhospitable at the moment.