heliopause

Noun

Meaning

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

Hypernyms

Examples

The heliopause has never been reached by any spacecraft so far and the Voyagers may be the first spacecraft to reach it. Source: Internet

Scientists hope to gain perspective on the heliopause from data acquired through the Interstellar Boundary Explorer (IBEX) mission, launched in October 2008. Source: Internet

The outer boundary of the heliosheath is called the heliopause which is where the spacecraft are headed now. Source: Internet

The point where the solar wind's strength is no longer great enough to push back the interstellar medium is known as the heliopause and is often considered to be the outer border of the Solar System. Source: Internet

The region between the termination shock and the heliopause acts as a barrier to cosmic rays, decreasing the flux at lower energies (≤ 1 GeV) by about 90%. Source: Internet

The solar wind travels outward continuously through the heliosphere, citation citation forming the solar magnetic field into a spiral shape, until it impacts the heliopause more than 50 AU from the Sun. Source: Internet

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