sábado, 20 de julio de 2024

NASA: Life Signs Could Survive Near Surfaces of Enceladus and Europa

https://science.nasa.gov/science-research/planetary-science/astrobiology/nasa-life-signs-could-survive-near-surfaces-of-enceladus-and-europa/ Europa, a moon of Jupiter, and Enceladus, a moon of Saturn, have evidence of oceans beneath their ice crusts. A NASA experiment suggests that if these oceans support life, signatures of that life in the form of organic molecules (e.g. amino acids, nucleic acids, etc.) could survive just under the surface ice despite the harsh radiation on these worlds. If robotic landers are sent to these moons to look for life signs, they would not have to dig very deep to find amino acids that have survived being altered or destroyed by radiation.

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