At the boundary 1 bow shock region where the lism

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Unformatted text preview: a neutral plasma (equal number of electrons and protons) expanding into space at a high velocity. •  Sun’s magnetic field is embedded in this plasma. 21 Where does the solar wind stop? •  Other stars have winds too, called stellar winds •  Hence, interstellar space is not really a vacuum. •  Tenuous magnetized plasma (and a little dust) known as the local interstellar medium (LISM) fills interstellar space. •  But “near” to our sun, the solar wind dominates over the LISM. •  This bubble where the solar wind dominates is known as the heliosphere 22 Where is our solar system? Speed ~ 220 km/s Transit >me ~ 225- 250 million years Light years The boundary between the solar wind and interstellar medium The tw...
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