Asri-unix.911
net.space
utcsrgv!utzoo!decvax!ucbvax!ARPAVAX:C70:sri-unix!REM@MIT-MC
Fri Mar  5 16:17:15 1982
Quasar Spaceship Theory
I'm not so sure spaceships in other galaxies would be visible (ignoring
the possibility that ours is the first, that we're here because we were
seeded by advanced life in the one middling-sized galaxy that just happened
to be first, and thus the observation bias that our galaxy seems different
from all others in that it has advanced life).
Remember they are quite faint here, needing large telescopes, and there
are still more on the limits of our telescope's power we won't see until the
large space telescope is put up. If the ones we're seeing are uniformly
distributed in space, rather than along the gallactic plane, because we can't
see any beyond 100 or maybe 1000 light years, then surely we can't see
even ones ten or a hundred times bigger in other galaxies that are
millions of light years away.

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