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Harsh reality: Research casts doubt on Saturn's moon having life sustaining potential
Harsh reality: Research casts doubt on Saturn's moon having life sustaining potential
Saturn moon Titan's potential for life is questioned as new research suggests its underground ocean may lack organic chemistry. Insights from NASA's upcoming Dragonfly mission may hold answers.
Saturn's largest moon, Titan, renowned for its smog-covered atmosphere and vast organic molecule soup, may not be as conducive to life as previously thought. Recent astrobiological research challenges the habitability of Titan's underground ocean and similar oceans within icy moons across the outer solar system. (Pixabay)
1/7 Saturn's largest moon, Titan, renowned for its smog-covered atmosphere and vast organic molecule soup, may not be as conducive to life as previously thought. Recent astrobiological research challenges the habitability of Titan's underground ocean and similar oceans within icy moons across the outer solar system. (Pixabay)
Despite the abundance of organic molecules on Titan's surface, the moon's extreme cold, with temperatures plummeting to –179 degrees celsius (–290 degrees fahrenheit), hinders chemical reactions necessary for life processes. (NASA)
2/7 Despite the abundance of organic molecules on Titan's surface, the moon's extreme cold, with temperatures plummeting to –179 degrees celsius (–290 degrees fahrenheit), hinders chemical reactions necessary for life processes. (NASA)
Approximately 100 kilometres (62 miles) below the icy surface, Titan harbours a liquid ocean, 12 times the volume of Earth's oceans combined. Comparable oceans reside within Saturn's Enceladus, as well as Jupiter's moons Europa and Ganymede, Space.com reported. (NASA)
3/7 Approximately 100 kilometres (62 miles) below the icy surface, Titan harbours a liquid ocean, 12 times the volume of Earth's oceans combined. Comparable oceans reside within Saturn's Enceladus, as well as Jupiter's moons Europa and Ganymede, Space.com reported. (NASA)
Challenging the Habitability Assumption: Catherine Neish of Western University led an international team challenging the assumption that Titan's ocean and other icy moons' oceans are habitable. The researchers questioned whether a sufficient supply of organic molecules from the surface could reach the ocean to support prebiotic chemistry. (NASA)
4/7 Challenging the Habitability Assumption: Catherine Neish of Western University led an international team challenging the assumption that Titan's ocean and other icy moons' oceans are habitable. The researchers questioned whether a sufficient supply of organic molecules from the surface could reach the ocean to support prebiotic chemistry. (NASA)
The Role of Comet Impacts: The team's research focused on the role of comet impacts in delivering organic material to Titan's ocean. However, Neish's modelling revealed that the rate of impacts is insufficient for an ample supply of organic material to sustain life in Titan's ocean. (NASA)
5/7 The Role of Comet Impacts: The team's research focused on the role of comet impacts in delivering organic material to Titan's ocean. However, Neish's modelling revealed that the rate of impacts is insufficient for an ample supply of organic material to sustain life in Titan's ocean. (NASA)
Alternatives and Possibilities: While the research casts doubt on the habitability of Titan's ocean, possibilities exist. On Europa, hydrothermal vents on the seafloor may support life by triggering complex chemical reactions. Neish does not rule out the possibility of organic material coming from Titan's interior, but raises concerns about its usefulness for life. (NASA)
6/7 Alternatives and Possibilities: While the research casts doubt on the habitability of Titan's ocean, possibilities exist. On Europa, hydrothermal vents on the seafloor may support life by triggering complex chemical reactions. Neish does not rule out the possibility of organic material coming from Titan's interior, but raises concerns about its usefulness for life. (NASA)
As we await direct exploration of these icy moons, NASA's Dragonfly mission, scheduled to launch in 2028 and arrive on Titan in 2034, offers promising opportunities. The mission's goal is to explore Titan's surface and analyse potential impact sites where liquid water mixed with organics, providing insights into prebiotic chemistry that may contribute to understanding the origins of life. Neish's findings were published on February 2nd in the journal Astrobiology. (Pixabay)
7/7 As we await direct exploration of these icy moons, NASA's Dragonfly mission, scheduled to launch in 2028 and arrive on Titan in 2034, offers promising opportunities. The mission's goal is to explore Titan's surface and analyse potential impact sites where liquid water mixed with organics, providing insights into prebiotic chemistry that may contribute to understanding the origins of life. Neish's findings were published on February 2nd in the journal Astrobiology. (Pixabay)