I don't know what I want to do after university gloom buy klonopin paypal jessie store In a NASA news release, Pappalardo said that a lot of preparation is still needed before a landing on Europa would be feasible, adding that studies like this one will help scientists and engineers focus on what technologies are required to get there and what data is needed to identify potential landing sites. The research appears in the journal Astrobiology and was authored by scientists from several NASA centers and universities, including the Johns Hopkins University Applied Physics Laboratory in Laurel, Md., University of Colorado in Boulder, University of Texas, Austin, and the Goddard Space Flight Center, Greenbelt, Md.