Exploring Astronomical Measurements and Celestial Bodies
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Questions and Answers

Which unit of measurement refers to the distance light can travel within a year?

  • Astronomical unit (AU)
  • Kilometer (km)
  • Light-year (ly) (correct)
  • Meter (m)
  • What is the average distance between the Earth and the Sun?

  • 9.5 trillion miles
  • 300,000,000 m/s
  • 365*24*60*60
  • 1.50 * 10^11m (correct)
  • Where are a large number of asteroids found?

  • Close to the Sun
  • On the Moon
  • Outside the Milky Way Galaxy
  • Between the orbit of Mars and Jupiter (correct)
  • What is a dwarf planet?

    <p>A spherical celestial body revolving around the Sun</p> Signup and view all the answers

    What happens to a comet when it passes close to the Sun?

    <p>It heats up and begins to outgas</p> Signup and view all the answers

    Which unit of measurement is used to describe the distance light can travel within a year?

    <p>Parsec (pc)</p> Signup and view all the answers

    What is the approximate distance in miles of a light-year?

    <p>9.5 trillion miles</p> Signup and view all the answers

    What is the average distance between the Earth and the Sun?

    <p>1.50 * 10^11m</p> Signup and view all the answers

    Where are a large number of asteroids found?

    <p>Between the orbit of Mars and Jupiter</p> Signup and view all the answers

    What is a comet?

    <p>An icy small solar system body that displays a visible atmosphere when passing close to the Sun</p> Signup and view all the answers

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