The Power of Nuclear Fusion
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Questions and Answers

Which type of energy generated by nuclear fusion within the sun radiates to and influences orbiting planets?

  • Kinetic energy
  • Chemical energy
  • Thermal energy
  • Electromagnetic energy (correct)

    • What is the main source of energy for the Earth-Sun system?

  • Nuclear fusion (correct)
  • Nuclear fission
  • Chemical reactions
  • Gravitational potential energy

    • How does the energy from nuclear fusion in a star's core vary over the lifespan of the star?

  • It remains constant
  • It increases steadily
  • It decreases steadily
  • It varies cyclically (correct)

    • Which of the following is NOT an example of evidence that supports the model of energy radiating from the sun to nearby planets?

    <p>Gravitational interactions</p> Signup and view all the answers

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