A problem in relativity.
One: Eons ago, a gentle race of giant aliens fled the planet Minerva, leaving the ancestors of Man to fend for themselves.
Two: 50 thousand years ago, Minerva exploded, hurling its moon into orbit about the Earth.
Three: In the 21st century, scientists Victor Hunt and Chris Danchekker, doing research on Ganymede, attract a small band of friendly aliens lost in time, who begin to reveal something of the origin of Mankind.
Finally, Man thought he comprehended his place in ...