What if you could avoid the travel? Perhaps some chance alignment of distant black holes creating something like a gravitational mirror? Bend the light, bend it some more, bend it so it reaches earth today. A 65 million light year round trip.
Or we have discovered aliens have already done this for us, perhaps to amuse themselves at the chaos that will ensue once we figure out what it is we're looking at and what it means for all of our civil, social, and religious institutions.
