Scientists have found evidence of phosphorus, a key ingredient for life, in the water spewing out of Saturn’s moon Enceladus. The discovery, published in the journal Nature, is a major step forward in the search for extraterrestrial life.
Phosphorus is a critical element for life as we know it. It is found in DNA, RNA, and ATP, which are all essential for cell function. Scientists have previously found evidence of other building blocks of life on Enceladus, including carbon, hydrogen, nitrogen, and oxygen. However, phosphorus is the rarest of these elements, making its discovery on Enceladus all the more significant.
The water that erupts from Enceladus’s geysers is thought to come from a subsurface ocean that is salty and warm. The ocean is thought to be heated by tidal forces from Saturn, and it is possible that there is life living in this ocean. The discovery of phosphorus suggests that there may be all of the ingredients necessary for life on Enceladus.
“This is a very exciting discovery,” said Christopher Glein, a planetary scientist at the Southwest Research Institute and lead author of the study. “It’s the first time we’ve found phosphorus in an ocean beyond Earth, and it’s a major step forward in the search for extraterrestrial life.”
The discovery of phosphorus on Enceladus is a major finding, but it is not the final piece of the puzzle. Scientists still need to find evidence of living organisms in Enceladus’s ocean. However, the discovery of phosphorus is a strong indication that life may exist on this icy moon.
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