Three hard sf novels by Poul Anderson:
After Doomsday
World Without Stars
Tau Zero
- form not a trilogy but a "triad" (I think).
Each is a stand-alone novel about interstellar travel that develops a distinct, and different, premise:
that an FTL spaceship returns to the Solar System to find that Earth has been sterilized;
that an FTL spaceship visits a planet of a red dwarf star in intergalactic space;
that a relativistic spaceship accelerates uncontrollably.
World Without Stars and Tau Zero have a couple more points in common:
the relativistic ships passes a red dwarf with planets in intergalactic space (see Stars Between Galaxies);
in World Without Stars, Argens asks, "...must we kill through all time, until time ends when the disgusted universe collapses inward on us?" (XV, pp. 115-116)
The crew of the relativistic ship experiences that collapse.
1 comment:
Kaor, Paul!
For the three stories you listed here "triad" is a more correct word than "trilogy." The latter implies a series related, connected, or parts of each other, which "triad" does not.
Sean
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