Saturn’s moon Dione has stripes like no others in the solar system

Researchers embark on a celestial whodunit of the mysterious streaks

Dione

STRAIGHT AS AN ARROW  Saturn’s moon Dione is streaked with stripes that run parallel to the equator for hundreds of kilometers. No one knows what made them.

Space Science Institute, JPL/NASA

Saturn’s moon Dione is streaked with long bright stripes, and no one knows how they got there.