Solar electric propulsion uses solar panels to power an ion drive. They require no chemical fuel so they are much lighter, can burn indefinitely, and cost about one tenth as much as chemical rockets.
Space & Astronomy
APR 14, 2015
Solar Electric Propulsion
Solar electric propulsion uses solar panels to power an ion drive. They require no chemical fuel so they are much lighter, can burn indefinitely, and cost about one tenth as much as chemical rockets.