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Complex Organics Bubble up from Ocean-world Enceladus by NASA’s Marshall Space Flight Center Data from NASA’s Cassini spacecraft reveal complex organic molecules originating from Saturn’s icy moon Enceladus, strengthening the idea that this ocean world hosts conditions suitable for life. Research results show much larger, heavier molecules than ever before.

Powerful hydrothermal vents mix up material from the moon’s water-filled, porous core with water from the moon’s massive subsurface ocean – and it is released into space, in the form of water vapor and ice grains. A team led by Frank Postberg and Nozair Khawaja of the University of Heidelberg, Germany, continues to examine the makeup of the ejected ice and has recently identified fragments of large, complex organic molecules.

In this image, a dramatic plume sprays water ice and vapor from the south polar region of Saturn’s moon Enceladus. Cassini’s fist hint of this plume came during the spacecraft’s first close flyby of the icy moon on February 17, 2005.

Image credit: NASA/JPL/Space Science Institute

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