Stars and Light Energy
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Questions and Answers

What is the main source of light in our solar system?

  • The Earth
  • The Sun (correct)
  • The Moon
  • The planets
  • How long does it take the Earth to make one complete rotation on its axis?

  • 365.25 days
  • 1 year
  • 24 hours (correct)
  • 27 days
  • What is the term used to describe objects that reflect light?

  • Emitters
  • Constellations
  • Circumpolar
  • Reflectors (correct)
  • Which of the following constellations are visible in the night sky all year long?

    <p>Ursa Major, Ursa Minor, Cassiopeia, Cepheus, and Draco</p> Signup and view all the answers

    In which direction does the Sun rise and set?

    <p>East and West</p> Signup and view all the answers

    How long does it take the Moon to both rotate on its axis and revolve around Earth?

    <p>27 days</p> Signup and view all the answers

    Which of the following statements about the Sun is correct?

    <p>The Sun is a medium-sized star and should never be viewed directly.</p> Signup and view all the answers

    What is the primary cause of the apparent movement of stars and constellations across the night sky?

    <p>The Earth's rotation on its axis</p> Signup and view all the answers

    What is the approximate time it takes for the Earth to complete one full revolution around the Sun?

    <p>365.25 days</p> Signup and view all the answers

    Which of the following is NOT a circumpolar constellation?

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

    What is the cause of the seasons on Earth?

    <p>The tilt of the Earth's axis</p> Signup and view all the answers

    What is the term used to describe objects that give off their own light?

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

    How many stars are estimated to be in the observable universe?

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

    What is the primary source of light in our solar system?

    <p>The Sun</p> Signup and view all the answers

    Which of the following is NOT a movement of the Earth?

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

    What is the approximate time it takes for the Moon to both rotate on its axis and revolve around Earth?

    <p>27 days</p> Signup and view all the answers

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