Observations suggest underground ocean on Jupiter's largest moon

NASA’s Hubble Space Telescope has the best evidence yet for an underground saltwater ocean on Ganymede, Jupiter’s largest moon. The findings are presented in a recently published paper with Lorenz Roth from KTH EE as one of the authors.

“The main result is that with a new approach of imaging the aurora we could provide evidence that inside the moon Ganymede a liquid water ocean exists. The existence of the ocean has been speculated before, but there has not been conclusive evidence until now,” Lorenz Roth, PostDoc at KTH EE.

Scientists estimate that the ocean is 100 kilometers thick – 10 times deeper than Earth's oceans – and is buried under a 150-kilometer crust of mostly ice.

The findings have created a lot interest – not only among scientists, but also in media such as New York Times in USA and DN in Sweden.

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The force of innovation

Associate Professor Luigi Vanfretti will participate in the upcoming so called “Bubble Session” on innovation organized by Tieto on March 16.

Bubble Sessions are dynamic think-tank events for discussing and exploring ideas at the intersection of business and technology. On the 16th of March, a video of the discussion on the force of innovation in a digitalised world led will be published, supported before and after by blogs, films, insights and other articles.

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KTH technology in NASA mission

After a decade of planning and engineering, NASA is in its last weeks of preparation to launch the Magnetospheric Multiscale, or MMS, mission. MMS is scheduled to fly into orbit on board a United Launch Alliance Atlas V rocket at 10:44 pm on March 12, 2015.  The four MMS spacescraft are equipped with instruments designed by KTH scientists Professor Göran Marklund and his team at Space and Plasma Physics.

Read more in the Stockholm Technology Blog

Read more: Inside a major NASA mission, with two Swedish physicists

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EE offers seven international master's programmes ranging from electric power engineering, systems, control and robotics to wireless systems. Technologies that build our society's vital infrastructure.

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