NASA had barred from Communist researchers from 2011 NASA science conference . NASA : The meeting is about planets located trillions of miles away , with no national security implications , '' Geoff Marcy , an astronomy professor at the University of California , Berkeley , wrote in an e-mail to the organizers . ' NASA management apparently misinterpreted a 2011 China security law . The law prevents NASA funds from being used to collaborate with China .
NASA had barred from Communist researchers from 2011 NASA science conference . NASA : NASA management apparently misinterpreted a 2011 China security law . The law prevents NASA funds from being used to collaborate with China .