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  1. Heliosphere - Wikipedia

    The heliosphere is the magnetosphere, astrosphere, and outermost atmospheric layer of the Sun. It takes the shape of a vast, tailed bubble-like region of space.

  2. Heliosphere - NASA Science

    Aug 22, 2024 · The Sun sends out a constant flow of solar material called the solar wind, which creates a bubble around the planets called the heliosphere. The heliosphere acts as a shield that protects …

  3. Heliosphere | Solar Wind, Magnetic Fields & Cosmic Rays | Britannica

    Heliosphere, the region surrounding the Sun and the solar system that is filled with the solar magnetic field and the protons and electrons of the solar wind. The solar magnetic field in the heliosphere has …

  4. What is the heliosphere and how can we measure it? - EarthSky

    Jun 14, 2024 · The heliosphere, the area of space influenced by the sun, is over a hundred times larger than the distance from the sun to the Earth. The sun is a star that constantly emits a steady stream of...

  5. Heliosphere - Simple English Wikipedia, the free encyclopedia

    Almost all of the material in the heliosphere comes from the Sun itself. For the first ten billion kilometres of its radius, the solar wind travels at over a million kilometres per hour. [1][2] It slows down before …

  6. Heliosphere - Definition & Detailed Explanation - Space Weather ...

    Nov 7, 2025 · The heliosphere is formed by the solar wind, a continuous flow of charged particles that emanates from the sun’s outer atmosphere, known as the corona. As the solar wind travels outward …

  7. Components of the Heliosphere - Science@NASA

    Apr 11, 2025 · The Heliosphere is the outer atmosphere of the Sun and marks the edge of the Sun’s magnetic influence in space. The solar wind that streams out in all directions from the rotating Sun is …

  8. NASA SVS | The Heliosphere and Galactic Cosmic Rays

    Aug 22, 2025 · Surrounding our solar system is a giant protective bubble created by particles and magnetic fields from the Sun called the heliosphere. Every 11 years, the Sun’s activity ramps up and …

  9. ESA Science & Technology - The heliosphere

    May 2, 2000 · "The heliosphere is the bubble this solar wind blows out into the local interstellar medium. It defines the volume of space over which our Sun's influence predominates," says Richard Marsden, …

  10. Heliosphere - (Intro to Astronomy) - Vocab, Definition, Explanations ...

    The heliosphere is a vast, bubble-like region of space surrounding the Sun, where the solar wind and the Sun's magnetic field interact with the interstellar medium.