one explanation/interpretation.
Happens in the sciences all the time.
Eg:
- Big Bang vs Steady State ,or Big Crunch vs Expansion Forever
- End of the Dinosaurs -- due to the Asteroid Impact, or other causes?
- Will "Greenhouse Gases" cause catastrophic global warming, or a new ice-age?
- Did Cromagnon Man kill off the Neaderthals? Interbreed? merely Displace them?
- Did the human race disperse from an african center, or develop world-wide?
- Was the moon a chunk out of the earth, or did it coalesce seperately?
- Did life arise spontaneously on earth, or drift in from "out there"? Is there probably intelligent life out there?
Other fields also allow for differing interpretations:
- Did the defendent, beyond a reasonable doubt, kill his wife?
- Has NAFTA been good or bad for Canada and Mexico?
- Was there a second gunman on the grassy knoll?
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