Harriet Beecher Stowe was thirty-nine when she began Uncle Tom's Cabin. She had given birth to seven children and seen one die. She wrote her book to be serialized in an abolitionist newspaper. Much of it she composed on the kitchen table in between the cooking, mending, tending to her house.
A good scenario doesn't make a good science fiction story - but it's a setting within which a good science fiction story might be told.