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22 July 2010
Europa Analog Deep-Sea Vents Discovered in the Caribbean
White sand, blue water, sunny skies, pina coladas. When you think of “extreme environments” I doubt the Caribbean is high on your list. But a team of scientists from Woods Hole Oceanographic institute and NASA’s Jet Propulsion Laboratory, exploring the 68-mile-long Mid-Cayman rise deep beneath the surface of the Caribbean, have discovered the deepest known [...]
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16 December 2009
Could there be Life on Jupiter and Saturn's Moons?
The ongoing search for the existence of life that doesn't call the Earth 'home' could potentially find that life right here in our own Solar System. There is considerable debate about whether evidence for that life has already been found on Mars, but astronomers might do well to look at other, more exotic locations in [...]
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08 October 2009
Europa Capable of Supporting Life, Scientist Says
The global ocean on Jupiter’s moon Europa contains about twice the liquid water of all the Earth’s oceans combined. New research by Richard Greenberg of the University of Arizona suggests that there may be plenty of oxygen available in that ocean to support life, a hundred times more oxygen than previously estimated. (...)Read the rest of [...]
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12 November 2008
Europa Submarine Prototype Gets Another Test
A submersible probe that could possibly be used on Jupiter's icy moon, Europa is taking the next step to test its capabilities. The Environmentally Non-Disturbing Under-ice Robotic Antarctic Explorer, also known as ENDURANCE, will swim untethered under ice, and collect data to create three-dimensional maps of underwater environments. The probe also will take samples [...]
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14 May 2008
Pole Shift on Europa?
Curved features on Jupiter’s moon Europa may indicate that its poles have wandered by almost 90°, a new study reports. Researchers believe the drastic shift in Europa’s rotational axis was likely a result of the build-up of thick ice at the poles. “A spinning body is most stable with its mass farthest from its [...]
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09 February 2008
Testing a Europa Probe Prototype
While NASA doesn’t have any definite plans to send a probe to study Jupiter’s moon Europa, many planetary scientists consider the exploration of this enticing moon to be a high priority. Evidence from the Voyager and Galileo spacecraft suggests Europa contains a deep ocean of salty water under an icy outer shell. [...]
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14 December 2007
Making the Case for Europa
Nick had an article last week about a new technique that might help scientists figure out just how deep the oceans on Europa are. Deep oceans with a thin crust might give a rover, or a submarine, a fighting chance to get down to that precious H2O, and sample it for evidence of life. Researchers [...]
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04 December 2007
Europa's Ocean: Thick or Thin?
How do you determine the thickness of an ocean that you can't see, let alone know how salty it is? Europa, the sixth satellite from Jupiter, is thought to have an ocean of liquid water underneath its icy surface. We know this because of its remarkably uncratered surface and the way its magnetic field [...]
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29 August 2007
A Submarine for Europa
Many planetary scientists believe that Jupiter’s moon Europa is our solar system’s best contender to share Earth’s distinction of harboring life. Evidence gathered by the Voyager and Galileo spacecrafts suggests Europa contains a deep, possibly warm ocean of salty water under an outer shell of fissured ice. In a paper published in [...]
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