3 ms·
You'd have to know where the aliens are for that to matter!
by henryfjordan 7y ago
You'd have to know where the aliens are for that to matter!
- erik_seaberg 7y agoHitting a fixed target, from light-years away, with a signal stronger than cosmic background? Pretty sure a world-class team could get PhDs just for the attempt.
- dredmorbius 7y agoGiven the detection of exoplanets of approximately Earth mass orbiting in habitable zones, that's rapidly become tenable. Laser / maser signalling would probably be about the best we could do for now.