5 Green Technologies for Interplanetary Space Travel
When you think about it, space travel requires an energy-efficient approach, especially if you’re going to make it to another planet. What green technologies are essential for space travel?
Images: (L) A cyrogenic chamber designed to test propellants. Courtesy NASA. (R) A four quadrant, 20-meter solar sail system is fully deployed during testing at NASA Glenn Research Center’s Plum Brook facility in Sandusky, Ohio. Courtesy NASA. (Bottom) A space elevator may become an alternative to blasting rockets into the atmosphere. Courtesy LiftPort Group.
