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  • Why the Sun, Not Earth, Controls Planetary Orbits
    That's a bit backwards! It's the Sun's gravity that keeps the planets in orbit around it, not the Earth's gravity.

    Here's how it works:

    * Gravity: Every object with mass has gravity, a force that attracts other objects with mass. The more massive an object is, the stronger its gravitational pull.

    * The Sun: The Sun is incredibly massive, so it has a very strong gravitational pull.

    * Planets: The planets in our solar system are much smaller than the Sun, so they are attracted to the Sun's gravity.

    * Orbit: This attraction causes the planets to constantly fall towards the Sun, but their sideways motion (inherited from the cloud of gas and dust that formed the solar system) keeps them from actually crashing into it. They end up orbiting the Sun in an elliptical path.

    So, Earth's gravity primarily affects objects on Earth and things close to it. It's the Sun's gravity that governs the larger cosmic dance of planets.

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