heliopause

listen to the pronunciation of heliopause
English - English
The boundary of heliosphere where the Sun's solar wind is stopped by the interstellar medium
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 and the wind from other stars meet
Boundary between the heliosphere the teardrop-shaped region around the Sun created by the solar wind and filled with solar magnetic fields and outward-moving gas and the zone of transition to the interstellar medium. Its tail is estimated to reach 50-100 astronomical units from the Sun, encompassing the orbits of all the major planets. Its shape changes, influenced by a wind of interstellar gas produced by the Sun's motion through it
{i} (Astronomy) boundary of the heliosphere
The boundary of heliosphere where the Suns solar wind is stopped by the interstellar medium