Space.com TRAPPIST-1: How Long Would It Take to Fly to 7-Planet System? 23 February 2017 fborgosano Leave a comment Share: The discovery of seven Earth-size planets around a nearby star, TRAPPIST-1, is certainly exciting news. But what would it take to visit one of these potentially Earth-like alien worlds? from Space.com bit.ly/2lyezeM Share: