Photos beamed back to Earth by the Cassini spacecraft in April show that Saturn’s moon Tethys has narrow, curved red lines on its surface.
NASA’s Cassini spacecraft has been hard at work for over a decade, and it continues to reveal surprising information about Saturn and its moons.
Photos beamed back to Earth in April show the icy lunar orb Tethys has narrow, curved red lines on its surface.
Though they look as they were spray-painted on, that’s clearly not how they got there.
What caused them to form is currently a matter of speculation, as there’s little precedent for their occurrence.
At this time, scientists believe that the arcs could be a result of impurities present in exposed ice or that the moon is perhaps outgassing from ins
