minus-squareTazerface@sh.itjust.workstoAsk Lemmy@lemmy.world•What beliefs or hypotheses do you hold strongly despite not feeling confident that you can necessarily prove or evince it?linkfedilinkarrow-up0·2 days agoIt was calculated decades ago. I remember Carl Sagan talking about it. linkfedilink
It was calculated decades ago. I remember Carl Sagan talking about it.