ooli@lemmy.world to Space@lemmy.world · 4 months agoAliens haven't contacted us. Scientists found a compelling reason why.mashable.comexternal-linkmessage-square84fedilinkarrow-up1137arrow-down128file-text
arrow-up1109arrow-down1external-linkAliens haven't contacted us. Scientists found a compelling reason why.mashable.comooli@lemmy.world to Space@lemmy.world · 4 months agomessage-square84fedilinkfile-text
minus-squareGrandwolf319@sh.itjust.workslinkfedilinkarrow-up6arrow-down1·4 months agoThis is the answer, 100 different civilizations could have happened in our galaxy in the last 1 million years with only a few centuries of them emitting detectable signals. And it could be worse, it could be 10 civilizations in the last 1 billion years.
This is the answer,
100 different civilizations could have happened in our galaxy in the last 1 million years with only a few centuries of them emitting detectable signals.
And it could be worse, it could be 10 civilizations in the last 1 billion years.