Anniversary (Asimov)
From Biocrawler, the free encyclopedia.
Anniversary was a 1959 short story by Isaac Asimov, originally collected in The Best of Isaac Asimov.
Written 20 years after Marooned Off Vesta, the story concerns itself with the same characters celebrating the 20-year anniversary of the events in the first story. As they look back over the incident, they become aware of previously unnoticed details, and make a groundbreaking discovery.

