Carbon Found on Jupiter’s Moon Europa: Another Step towards Finding a New Home for Earthlings

Astrobiologists Find Evidence of Carbon on Jupiter’s Moon Europa

Scientists Indicate Potential for Life-Sustaining Conditions

In a significant development, astrobiologists have discovered the presence of carbon, a crucial component for life, on Jupiter’s moon Europa. This finding marks a significant advancement in the search for habitable environments beyond Earth.

Europa, one of the few celestial bodies in our solar system rife with potential for life, has long puzzled researchers. Previous investigations revealed the existence of a subsurface ocean beneath the moon’s icy shell, making it an ideal candidate for sustenance of life.

However, scientists had yet to confirm whether Europa’s ocean possesses the necessary chemical composition for supporting life. Particularly, they were uncertain about the presence of carbon, a fundamental building block of life.

The breakthrough came when astronomers studied data from NASA’s James Webb Space Telescope (JWST) and detected carbon dioxide on Europa’s icy surface. Through careful analysis, they determined that this carbon originates from the subsurface ocean, ruling out other potential sources such as fallen meteorites or external ions.

Amidst this exciting finding, questions persist about the suitability of Europa as a habitable abode. Kevin Hand, a bio-astronomer at NASA’s Jet Propulsion Laboratory, affirmed, “The discovery of carbon dioxide in the salt-rich regions of Europa’s ice shells indicates that the CO2 is coming from the ocean below and not from external sources such as meteorites and ions hitting Europa.”

Geronimo Villanueva of NASA’s Goddard Space Flight Center added, “On our planet, life thrives on chemical diversity. The abundance of carbon on Europa’s surface, originating from its ocean, holds great significance since carbon is an essential biological element.”

Samantha Trumbo from Cornell University, another member of the research team, emphasized the importance of their observation. “Observational evidence suggests that the carbon found on Europa’s surface is derived from its ocean. This discovery is incredibly significant since carbon is essential for biological processes.”

While the presence of carbon opens up intriguing possibilities, uncertainties remain regarding the ocean’s overall potential to support life. Dr. Christopher Glen, a geochemist at the Southwest Research Institute, remarked, “We still cannot ascertain the existence of life within Europa’s oceans. Nevertheless, this new finding adds to the mounting evidence that Europa’s ocean might indeed harbor the necessary conditions for life.”

Notably, the carbon dioxide concentrations were found to be highest in a region called Tara Regio, which is geologically young and exhibits disturbances in its surface ice. Researchers suspect that subsurface ocean material exchanges with the ice surface, possibly contributing to the abundance of carbon dioxide in this area.

NASA is panning an ambitious mission to Europa, involving the Europa Clipper spacecraft, slated for launch in October 2024. Through dozens of closely orchestrated flybys, scientists aim to further investigate the moon and assess the viability of habitable conditions.

Future observations from the James Webb Space Telescope and data obtained from the Europa Clipper mission are expected to provide more insights into the potential presence of other essential biological elements, such as nitrogen, on Europa.


Europa’s enigmatic nature continues to captivate scientists, with the recent discovery of carbon on its surface igniting hopes for the presence of life-sustaining conditions. On the brink of a new phase in exploration, the promising findings pave the way for further investigation into the chemical composition of Europa’s oceans and the possibility of extraterrestrial life.

Source: NASA / The Guardian


Scientists have found “carbon”, one of the important components of life, on Jupiter’s moon “Europa”, another important step in finding another home for Earthlings.

moon “Europe” (Europa) of Jupiter It is one of the few areas in our solar system that could have suitable conditions for life. Previous research has shown that Beneath Europa’s icy shell lies a salty ocean of liquid water and a rocky sea floor.

However, in the past scientists have not been able to confirm that. Does Europa’s ocean contain the necessary chemistry for life? Especially the carbon group

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Recently, astronomers using data from NASA’s James Webb Space Telescope (JWST) have detected carbon dioxide on the icy surface of Europa.

Analysis shows that this carbon probably originates from the subsurface ocean. It did not come from a fallen meteorite or any other external source. Will the moon Europa be a suitable place to live?

Kevin Hand, a bio-astronomer at NASA’s Jet Propulsion Laboratory, one of the discovery teams said: “The discovery of carbon dioxide in the salt-rich regions of Europa’s ice shells indicates that the CO2 is coming from the ocean below and not from external sources such as meteorites and ions hitting Europa.”

Geronimo Villanueva of NASA’s Goddard Space Flight Center said one of the scientists, “On our planet, life likes chemical diversity. The more variety, the better. We are carbon based life. Understanding the chemistry of Europa’s oceans will help us decide how. Are the oceans dangerous to living things? Or maybe it’s a good place to live.”

Samantha Trumbo, Cornell University Another member of the research team added: “We now think we have observational evidence that the carbon we see on Europa’s surface comes from the ocean. This is no small matter. Because carbon is an essential biological element.”

Dr. Christopher Glen, a geochemist at the Southwest Research Institute in Texas, said one of the researchers: “We still don’t know if life exists in Europa’s oceans. But this new discovery adds to the evidence that Europa’s oceans may be a good solution for supporting life. The environment looks attractive from a bioastronomical point of view.”

Data from James Webb found that on the surface of Europa Carbon dioxide is highest in the region called Tara Regio, which is geologically young. The ice on the surface is disturbed. And there is likely to be an exchange of material between the subsurface ocean and the ice surface.

Trumbo explains that “Previous observations from the Hubble Space Telescope have shown evidence of sea-derived salt in Tararegio. Now we see that carbon dioxide is also very concentrated. We think this means that the carbon may have its ultimate origin in the subsurface ocean.”

Villanueva said: “Scientists are debating and How connected is Europa’s ocean to its surface? I think that question was the main impetus for exploring Europa… This shows that maybe we can learn some basic things about the composition of the ocean before we drill through the ice to get a complete picture.”

Europa’s moon is slightly smaller than Earth’s moon. Its surface temperature never exceeds -140 degrees Celsius, and incoming radiation from Jupiter But Europa’s ocean, 64-160 km deep and 16-24 km below the icy surface, makes Europa of potentially habitable. But it depends on its chemical properties. Including an abundance of essential biological elements such as carbon.

Astronomers often refer to the six elements or “Big 6” found in life on Earth: carbon, hydrogen, oxygen, nitrogen, phosphorus and sulphur. Carbon, hydrogen, oxygen and sulfur have now been discovered on Europa . Although it is not yet clear if the sulfur found comes from its own oceans or from Jupiter’s other moons, such as Io.

NASA plans to send the Europa Clipper spacecraft to Europa in October 2024, where it will conduct dozens of close flybys of Europa. To further check whether there are suitable conditions for living things or not.

Glen said: “Future James Webb observations and the Europa Clipper mission should give us further clues as to whether other elements important for life, such as nitrogen, are also present on Europa.”

Compiled from NASA / The Guardian


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