Space.com Traveling to TRAPPIST-1: How Long Would It Take? | Video 22 February 2017 fborgosano Leave a comment Share: The ultra cool dwarf star system is about 39 light-years from Earth. Find out how long it would take NASA’s Space Shuttle, the New Horizons spacecraft and Breakthrough Starshot’s proposed laser sail-propelled vehicle to travel to the system. from Space.com bit.ly/2lwj0Xo Share: