Form 8: Measuring Cosmic Distances Exercise

Form 8: Measuring Cosmic Distances

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Form 8: Measuring Cosmic Distances

Learn how astronomers measure vast cosmic distances across the universe.

Questions

  1. MultiChoice

    Which star is nearest to our solar system (besides the Sun)?

  2. MultiChoice

    How far away is Proxima Centauri from Earth?

  3. MultiChoice

    What apparent shift in a star's position is used to calculate its distance?

  4. MultiChoice

    Stellar parallax is measured by observing stars at 6-month intervals due to what motion?

  5. MultiChoice

    Do farther stars have a larger or smaller parallax angle than closer stars?

  6. MultiChoice

    How far away is Sirius, the Dog Star, from Earth?

  7. MultiChoice

    Which distance unit equals the average distance from Earth to the Sun?

  8. MultiChoice

    How many light-years equal one parsec?

  9. MultiChoice

    Where is the Astronomical Unit (AU) most commonly applied?

  10. MultiChoice

    What is the approximate diameter of the Milky Way Galaxy?

  11. MultiChoice

    What is the nearest major galaxy to the Milky Way?

  12. MultiChoice

    Which tool gives the most precise stellar parallax measurements?