Sleep monitored in 520-day mock Mars mission

Six men parted ways with their families and the comforts of earth to embark on a landmark journey to the red planet Thursday morning. The mission will last exactly 520 days, enough time to reach Mars, spend a month on the planets surface, and return home to Earth. At its closest point in orbit, the planets are about 55 million kilometers apart. However the space capsule’s crew will only move a