Space travel (unmanned) Welcome to BFSU: › Forums › Volume Two › Learning Progression “C”: PHYSICAL SCIENCE, ENGINEERING AND TECHNOLOGY › Lesson C-8. How Things Fly › Space travel (unmanned) This topic has 0 replies, 1 voice, and was last updated 4 years, 9 months ago by Bernard Nebel. Viewing 0 reply threads Author Posts February 8, 2019 at 11:37 am #7421 Bernard NebelKeymaster Here is a video lecture that describes how space craft are sent to the far reaches of the solar system using minimal fuel. Discuss with students, post questions. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.