Definition that contains solar wind
- interplanetary gas a rarefied flow of gas and charged particles (plasma) that stream from the sun and form the solar wind
- james alfred van allen United States physicist who discovered two belts of charged particles from the solar wind trapped by the Earth's magnetic field (born in 1914)
- van allen United States physicist who discovered two belts of charged particles from the solar wind trapped by the Earth's magnetic field (born in 1914)
- heliopause the boundary marking the edge of the sun's influence; the boundary (roughly 100 AU from the sun) between the interplanetary medium and the interstellar medium; where the solar wind from the sun and the radiation from other stars meet