Jeff Foust — NASA is continuing to examine various, potentially less expensive options for a mission to land on Jupiter's moon Europa even after completing a recent review, postponing a call for instruments for the spacecraft. At a meeting of the Outer Planets Assessment Group (OPAG) Sept. 6 in La Jolla, California, Curt Niebur, a program scientist in the planetary science division at NASA Headquarters, said mission planners are continuing to examine several factors, including mission cost and science return, as they evaluate the design of the mission. The lander mission, he said, successfully passed an early-stage review called a mission concept review in June. However, he said the agency had not settled on a specific, single concept for the mission. See Full Story |
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