[BenLurkin]

Enhanced-color image from Cassini showing red streaks on Saturn’s moon Tethys
(Credit: NASA/JPL-Caltech/Space Science Institute)

[left that other site]

Jamaican Beer?

[qam1]

What Are These Strange Scarlet Streaks Spotted on Tethys?

-"Enhanced-color image from Cassini showing red streaks

Poor Photoshopping? Bad CGI?

[Larry Lucido]

Looks like a grape juice accident.

[G Larry]

Unsupervised Alien child w color crayon?

or

Element, such as iron, interacting w water and whatever atmosphere is present.

It wouldn’t be unusual for such an element to have geological forces drive these alignments.

[Dr. Thorne]

Christo was there!

[Talisker]

Not just red lines. Look at the large version of the photo, there are all sorts of similar lines crossing the surface in the same way.

[Kirkwood]

Your grandkids are drawing with crayons on the monitor?

[SkyDancer]

I had a dog once who’d - maybe some moon creature?

[sevinufnine]

They look like red streaks on the moon’s surface to me (SARC)

[Conan the Librarian]

Fractured crust, fluid underneath leaked out and refroze. Could be like that for a billion years without change.

Or, my Children’s Librarian had a summer project with the kids. It’s the same color scheme as the carpet in the Kid’s area after the last event.

[tumblindice]

My name is Joshua Goodwood, and I’m from the federal Department of Speech, Scatalogical References division.
On behalf of the department, I would like to congratulate you all for getting this for without any references to Uranus.

[Chad N. Freud]

Any chance they are concentric to some impact crater to the bottom, out of the frame?

A wave-like deposition of material, for some reason?

[vpintheak]

Iron ore

[Some Fat Guy in L.A.]

Stretch marks. Tethys needs to lose weight.