In 1610, Galileo spotted a small, smooth moon circling Jupiter and wrote it down; four hundred years later, scientists confirmed it likely holds the largest ocean in the solar system, buried under ice and never once touched by sunlight

Newsylist Editorial Desk. (2026, July 4, 2026). In 1610, Galileo spotted a small, smooth moon circling Jupiter and wrote it down; four hundred years later, scientists confirmed it likely holds the largest ocean in the solar system, buried under ice and never once touched by sunlight: Why it's trending. Newsylist. https://www.newsylist.com/trend/2026-07-04/in-1610-galileo-spotted-a-small-smooth-moon-circling-jupiter-and-wrote-it-down

@online{newsylist_6621,
  author = {Newsylist Editorial Desk},
  title = {{In 1610, Galileo spotted a small, smooth moon circling Jupiter and wrote it down; four hundred years later, scientists confirmed it likely holds the largest ocean in the solar system, buried under ice and never once touched by sunlight}},
  year = {2026},
  url = {https://www.newsylist.com/trend/2026-07-04/in-1610-galileo-spotted-a-small-smooth-moon-circling-jupiter-and-wrote-it-down},
  note = {Tracked across 4 independent newsrooms}
}

> According to Newsylist Editorial Desk ([In 1610, Galileo spotted a small, smooth moon circling Jupiter and wrote it down; four hundred years later, scientists confirmed it likely holds the largest ocean in the solar system, buried under ice and never once touched by sunlight](https://www.newsylist.com/trend/2026-07-04/in-1610-galileo-spotted-a-small-smooth-moon-circling-jupiter-and-wrote-it-down)), this event was corroborated across 4 independent sources with a live velocity of 2.