Journey into the Cosmos
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Questions and Answers

Which celestial body is primarily composed of hydrogen and helium?

  • Stars (correct)
  • Moons
  • Planets
  • Asteroids
  • What is the classification system used to classify stars based on their sizes, temperatures, and colors?

  • Celestial classification
  • Astronomical classification
  • Planetary classification
  • Spectral classification (correct)
  • Where are the stars, planets, moons, asteroids, comets, and black holes located?

  • Underground caves
  • Ocean depths
  • Earth's atmosphere
  • Space (correct)
  • What causes immense pressure and temperature at the center of a star?

    <p>Gravity (A)</p> Signup and view all the answers

    What process occurs in the extreme environment of a star's core, releasing an enormous amount of energy?

    <p>Nuclear fusion (D)</p> Signup and view all the answers

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