3 ideas
In "De navegantes," Trafalgar Medrano, a Rosario trader, lands on a planet that is an exact double of Earth in 1492. He finds Columbus's voyage stalled and, acting from his knowledge of how 'his' history went, pushes the expedition into motion. The episode dramatizes an outsider who treats another world's pivotal historical moment as a logistics problem to be expedited, raising the question of whether history needs a nudge to happen at all.
This frame turns cosmic strangeness into domestic gossip, so the marvelous is measured against the teller's credibility rather than against scientific plausibility. The result shows that how an extraordinary experience is transmitted, through a trusted voice and a social ritual, shapes whether it is received as truth, joke, or tall tale.
Trafalgar is not an explorer, soldier, or scientist but a merchant who goes to other planets to buy and sell, and his understanding of each world comes through negotiating prices, customs, and power in order to close a deal. The book suggests that commerce is an epistemology: to trade you must read a society's hierarchies, such as a planet ruled by a thousand women, well enough to operate inside them. It also treats the merchant's pragmatic detachment as a form of irony toward grand political orders, which he navigates rather than judges.