Archive for November 23, 2017

Fountains of Enceladus

Recent Cassini images of Enceladus at high phase show the fountain-like sources of the fine spray of material that towers above the moon’s south polar region. This image was taken looking more or less broadside at the “tiger stripe” fractures observed in earlier Enceladus images and shows discrete and small-scale plumes above the limb of the moon.

The color-coded image at right was processed to enhance faint signals, making contours in the plume of material even more apparent. The greatly enhanced and colorized image shows the enormous extent of the fainter, larger-scale component of the plume. Read more