A recent article in Sky & Telescope magazine explains why secular theorists have difficulty agreeing on the ages of Saturn’s moons.¹ In the process, the article provides a reminder that Saturn’s rings are young. It also presents possible evidence that some of Saturn’s moons are also young.

On June 7, 2021, NASA’s Juno spacecraft flew closer to Jupiter’s moon Ganymede than any spacecraft had ever before. Ganymede is the largest moon in the Solar System—a body larger than the planet Mercury. Its frozen surface holds interest as a distant water source. Analysts still ponder three unique features of Ganymede, one of which they’re now seeing for the first time.