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Jupiter’s moon Europa much more likely to host life – no mission planned yet

Mihai AndreibyMihai Andrei
February 22, 2013
in Alien life
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As the search for life on Mars intensifies, it’s good to remember that there are other places in our own solar system that are much more likely to host life. This may be a “captain obvious” moment for some, but may come as quite the surprise for others.

europa

Europa, despite its frozen surface, is thought to have a liquid water layer measuring about 100 km thick, making it an extremely fertile environment for alien life. It is one of the smoothest objects in the solar system with few craters on its surface, still tectonically active and relatively young.

NASA researchers believe that one of Jupiter’s moons is the most likely place in the solar system (outside of the Earth) to host life. Europa, the sixth closest moon to the planet, is far more likely to be habitable than desert-covered Mars, mostly due to the thin shelf of ice which could cover water and the presence of oxidants. Thing is, it’s much harder to fund a mission to Europa than Mars.

‘It is the place we should be exploring now that we have a concept mission we think is the right one to get there for an affordable cost.’, explained Robert Pappalardo, a planetary scientist at NASA’s jet propulsion Laboratory (JPL) in Pasadena.

europa2
The surface of Europa, as seen by the Galileo probe in the 1990s.

Today, speaking at the American Association for the Advancement of Science (AAAS) Mr Pappalardo said that a new $2 billion exploration project called Clipper would see NASA team up with physicists from the John Hopkins University in Maryland… if it all gets the green light, that is. The most optimistic thought is a joint venture with the ESA in 2030, but that’s still in the grey.

Tags: Europalife on europalife on mars

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Mihai Andrei

Mihai Andrei

Dr. Andrei Mihai is a geophysicist and founder of ZME Science. He has a Ph.D. in geophysics and archaeology and has completed courses from prestigious universities (with programs ranging from climate and astronomy to chemistry and geology). He is passionate about making research more accessible to everyone and communicating news and features to a broad audience.

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