The Sun

The Sun is a G-type main-sequence star at the center of the Solar System and contains more than 99 percent of its total mass. Through nuclear fusion, it generates the energy that powers Earth’s climate and makes life possible. This page will serve as the central hub for all Sun-related content on Space Is the Limit.

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Articles Coming Soon

  • Structure of the Sun
  • Layers of the Sun
  • How the Sun Generates Energy
  • The Solar Cycle
  • Solar Flares and Solar Storms
  • How the Sun Affects Earth
  • Earth seen from space with no visible atmospheric layer and stark black sky

    What Would Happen If Earth Had No Atmosphere?

  • Model of Mercury showing its heavily cratered rocky surface and lack of atmosphere

    Why Does Mercury Have the Largest Temperature Range of Any Planet in the Solar System?

  • The Sun glowing in space with visible solar surface texture and a dark planet transiting across its face.

    What Is the Sun’s Role in the Solar System? Gravity, Energy, and Orbital Stability Explained

  • Asteroid fragments dispersing through near Earth space

    The Yarkovsky Effect: How Sunlight Moves Asteroids