New research suggests that Enceladus’ subsurface ocean may trap signs of life in deep layers for thousands of years, making it unlikely that NASA’s planned plume samples will provide clear evidence of extraterrestrial organisms.
Warm oceans trapped below the icy surfaces of moons located outside the Sun’s habitable zone remain some of the best candidates for life in Earth’s solar system. Yet it now appears that even direct samples from Encedalus’ alien waters may be useless for identifying the presence of extraterrestrial life.
Focus On Enceladus For Extraterrestrial Life
The liquid oceans of Enceladus offer a unique feature that makes it a desirable destination in the search for life beyond Earth. However, drilling through deep ice at the edges of the solar system remains a major technical hurdle for examining these icy moons. Enceladus, however, continually vents its water into space through cracks in the moon’s frozen surface.
“Combined with the promise of Enceladus’ ocean as an abode for life, this has motivated NASA to prioritize a mission (the Enceladus Orbilander) to return to Enceladus, collecting samples of plume material and using this to figure out whether or not there is life within Enceladus,” lead author Flynn Ames explained to The Debrief about why the team focused on that particular moon.
Extraterrestrial Life May…more
Source thedebrief.org
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