Form 9: Calculating Light-Travel Time Exercise

Form 9: Calculating Light-Travel Time

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Form 9: Calculating Light-Travel Time

Practice calculating the time it takes for light to travel across space.

Questions

  1. MultiChoice

    How long does light take to travel from the Moon to Earth?

  2. MultiChoice

    How many seconds does sunlight take to reach Earth?

  3. MultiChoice

    If Polaris is 430 light-years away, how long does its light travel to reach us?

  4. MultiChoice

    Light from the Andromeda Galaxy takes how long to reach Earth?

  5. MultiChoice

    If Betelgeuse is 640 light-years away, when did the starlight we see tonight leave the star?

  6. MultiChoice

    How long does light take to travel from the Sun to Pluto?

  7. MultiChoice

    Which formula calculates light-travel distance?

  8. MultiChoice

    If the Sun suddenly stopped glowing, how long would Earth stay lit?

  9. MultiChoice

    If light takes 25 years to reach us from Vega, how far away is Vega?

  10. MultiChoice

    How long would spacecraft with current propulsion take to reach Proxima Centauri?

  11. MultiChoice

    Why do radio communications with Mars rovers experience time delays?

  12. MultiChoice

    What unit describes the distance light travels in 60 minutes?