'This propulsion proposed for interstellar trips uses a flow of electrons & has been tested in Earth orbit'
an ion drive
GENERAL SCIENCE: This propulsion proposed for interstellar trips uses a flow of electrons & has been tested in Earth orbit
This propulsion proposed for interstellar trips uses a flow of electrons & has been tested in Earth orbit
This propulsion proposed for interstellar trips uses a flow of electrons & has been tested in Earth orbit
GENERAL SCIENCE
an ion drive
GENERAL SCIENCE