Space/Science — HabitableZone

Space/Science » in reply to Probably nothing. If alien intelligence really existed they'd be here by now

It is a huge universe, and the speed of light is slow in relation.

First they would have to know we exist, second, they would have to have the means to get here, and third, they would have to have a good reason to come here.

There might be far more interesting planets closer to them than us.

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