4 ms·
The drive plume will be bright and hot and aimed right at us. Somebody running an all-sky radio survey will spot it, eventually. It will take a long time to d
by xenophonf 7y ago
The drive plume will be bright and hot and aimed right at us. Somebody running an all-sky radio survey will spot it, eventually. It will take a long time to decelerate, years if not decades even if it's only cruising at a small fraction of c. (Project Daedalus would have cruised at 0.12 c.)