Universe and Solar System Quiz
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Questions and Answers

What are the outer planets primarily composed of?

  • Ice
  • Rock
  • Liquid
  • Gas (correct)

    • What causes the accelerated expansion of the universe?

  • Celestial Bodies
  • Nuclear Reactions
  • Dark Energy (correct)
  • Gravitational Pull

    • What are nebulae?

  • Massive systems containing stars, gas, dust, and dark matter
  • Interstellar clouds of gas and dust where stars are born (correct)
  • Unseen substance detectable by its gravitational effects
  • Celestial bodies that emit light and heat

    • What is the observable universe made up of?

    <p>All of space, time, matter, and energy</p> Signup and view all the answers

    What determines day and night on planets?

    <p>Rotation on an axis</p> Signup and view all the answers

    What are dwarf planets primarily composed of?

    <p>Rock and ice</p> Signup and view all the answers

    What celestial bodies emit light and heat due to nuclear reactions in their cores?

    <p>Stars</p> Signup and view all the answers

    What is the mysterious force causing accelerated expansion of the universe?

    <p>Dark energy</p> Signup and view all the answers

    What are interstellar clouds of gas and dust where stars are born called?

    <p>Nebulae</p> Signup and view all the answers

    What determines day and night on planets?

    <p>Rotation on an axis</p> Signup and view all the answers

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