Africa-Press – Namibia. Data from NASA’s Cassini spacecraft has revealed that Saturn’s moon Enceladus contains phosphorus in its subsurface ocean. The discovery of dissolved sodium phosphate in the ocean makes Enceladus even more intriguing in the search for habitable worlds beyond Earth.
The search of life in our solar system just gained a new level of excitement after researchers discovered phosphates – a key ingredient for life – on Enceladus, Saturn’s sixth-largest moon.
Enceladus, despite its modest size, has a unique “soda ocean” beneath a thick layer of ice. The ocean is carbonated, bubbly, and salty, and particles from the ocean migrate through cracks in the ice and spew into space, creating plumes.
Carbon, hydrogen, nitrogen, oxygen, phosphate, phosphorus and sulphur are necessary for the origin of life, he explained. Of these six components, phosphates were the only one not previously found in Cassini data – past studies have shown the presence of all other components on Enceladus.
After publishing a limited analysis of the data in 2017, the team received funding from the European Research Council to analyze a much larger dataset.
However, he cautioned that this does not confirm the presence of life on Enceladus.
Postberg suggests that the ocean might taste a little soapy if you had a glass of it. He also mentioned, “that doesn’t mean that it’s actually hosting life, that it’s inhabited.”
The detection of phosphorus in the ocean required extensive analysis of data from Cassini’s instruments. Jonathan Lunine, a Cornell University planetary scientist, stated, “Enceladus has such an Earth-like interior ocean that if life is present, we will recognize it.” The abundance of phosphorus in Enceladus’ ocean indicates that it is not a limiting factor for potential life there.
Mikhail Zolotov, an Arizona State University planetary geochemist, who reviewed the paper, expressed his preference for Mars as the most likely abode of life beyond Earth, but acknowledged the presence of numerous unknowns.
While Enceladus is considered one of the most fascinating worlds in our solar system, Europa, one of Jupiter’s moons, also holds the potential for hosting life. NASA’s Europa Clipper mission, scheduled for launch next year, will provide a closer look at Europa’s potential habitability. For now, Enceladus stands out as a captivating celestial body deserving of further exploration.
The results of the study was published in Nature journal.
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