SCIENTISTS at Freie Universität Berlin, led by Professor Frank Postberg, have made a remarkable discovery regarding the potential habitability of Saturn’s moon Enceladus.
Using data from NASA‘s Cassini spacecraft, the team has detected high concentrations of phosphorus in ice crystals expelled from the moon’s subsurface ocean.
Phosphorus is one of the 6 crucial elements for life on Earth known as CHNOPS which stands for carbon, hydrogen, nitrogen, oxygen, phosphorous, and sulfur.
Previous studies had already revealed the presence of complex organic compounds and minerals necessary for life on Enceladus.
However, the detection of phosphorus, the least abundant of the essential elements, had remained elusive until now.
The researchers used the Cosmic Dust Analyzer on board the Cassini spacecraft to analyze ice grains in Enceladus’ cryovolcanic plume.
They found phosphorus in the form of phosphates within frozen ocean droplets emitted into space.
The phosphate concentrations on Enceladus were more than 100 times higher than those found in Earth’s oceans.
Phosphorus is a fundamental element for life, playing a vital role in DNA structure, cell membranes, and energy-carrying molecules.
This discovery marks the first time phosphorus has been detected in an ocean beyond Earth, making Enceladus a prime candidate for hosting life in our solar system.
While the presence of phosphorus, along with other necessary ingredients for life, suggests the potential habitability of Enceladus, scientists emphasize that this does not confirm the existence of life on the moon.
Further exploration and research are required to determine if life has emerged or could exist in Enceladus’ subsurface ocean.
The discovery of phosphorus on Enceladus is a significant leap forward in the search for extraterrestrial life in our solar system.
It highlights the unique conditions and potential for the emergence of life beyond Earth, making Enceladus one of the most promising locations for astrobiological exploration.