P1: old theory and why it's wrong: astronomers used to think asteroids couldn't have satellites, they're wrong, cool bowling ball example
P2: Possible evidence supporting better theory: we see what might be asteroid satellites!
P3: Details about evidence: extra eclipse of Herculina asterioid indicates a satellite
P4: Effect of evidence on theory: now everyone sees secondary eclipses! Statistically, some of those must be wrong.
P5: How new theory could be more widely accepted: doubters want to see clear photo that rules out other reasons for secondary eclipse
Scale:
asteroids can have satellites vs. they can't