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19 November, 22:30

How long does it take light to travel between earth and the nearest star?

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Answers (2)
  1. 19 November, 22:51
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    It takes 8.204 minutes for light to travel from the Sun to Earth

    Explanation:

    The speed of light is 300000 km/s and the nearest star to the Earth is the Sun which is 149.67 million km. therefore it takes about

    147.67*10⁶/300000 = 492.233 seconds for light from the Sun to reach Earth or 8.204 minutes

    The other next nearest star is Alpha Centauri which is 4 light years away
  2. 20 November, 00:01
    0
    8.3 minutes

    Explanation:

    In the solar system the Sun is the nearest Star to the Earth.

    The Speed of light is 300,000 kilometers/second.

    The distance is given as 147.67*10⁶ km

    The time it will take for the light from the star to reach Earth is:

    T = distance / speed

    147.67*10⁶/300000 = 492.233 seconds

    The nearest star to Earth is the Sun and it takes about 8.3 minutes for its light to reach the Earth.
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