In this May 23, 2014 photo provided by the University of Hawaii, Lucie Poulet, right, uses a geotechnical tool while Annie Caraccio records the data during a previous study outside the domed structure that will house six researchers for eight months in an environment meant to simulate an expedition to Mars, on Mauna Loa on the Big Island of Hawaii. The group will enter the dome Thursday, Jan. 19, 2017, and spend eight months together in the 1,200-square-foot research facility in a study called Hawaii Space Exploration Analog and Simulation .