Stars and Light in the Universe
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Questions and Answers

What is the main difference between emitters and reflectors?

  • Emitters absorb light while reflectors block light.
  • Emitters are dim stars while reflectors are bright stars.
  • Emitters give off light while reflectors bounce off light. (correct)
  • Emitters are always close to Earth while reflectors are far away.

    • Why is it dangerous to view the Sun directly, even with sunglasses?

  • Sunglasses amplify the Sun's light, causing harm.
  • The Sun's light is harmless to the eyes.
  • The Sun is too far away to see clearly.
  • The Sun emits intense light energy that can damage your eyes. (correct)

    • Which celestial body is considered a medium star in both size and magnitude?

  • The Sun (correct)
  • Mars
  • Jupiter
  • Earth

    • How long does it take for the Earth to make one full rotation on its axis?

    <p>24 hours</p> Signup and view all the answers

    In what way does the Earth move around the Sun?

    <p>Revolution only</p> Signup and view all the answers

    What causes patterns like the apparent movement of stars across the sky?

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

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