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Astronomy 1010

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The International Space Station orbits approximately 350 km above the Earth's surface. (The Earth's radius is 6,378 km.) Are the astronauts beyond the pull of Earth's gravity? Explain your reasoning.

  • Astronomy 1010 -

    If Earth's gravity was not there, the space station would not be in orbit. What do you think is holding it in orbit?

  • Astronomy 1010 -

    The ISS is being pulled by everything in the universe. Very little, but its being pulled.

    Because Gm1m2/r^2

    And you can't divide something and get 0, you can only get close to 0.

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