• Question: how fast can light travel?

    Asked by Sinéad to Saoirse, Dervil, Moises, Pramod, Stephen on 7 Nov 2016. This question was also asked by _anna_, 445ghtg46, 747ghtg46, Caoilte and James, SHABANG, MiskellMan406.
    • Photo: Dervil Cody

      Dervil Cody answered on 7 Nov 2016:

      As long as the light is travelling through air only so there is nothing in the way to slow it down, light can travel at a huge speed of almost 300 million meters in 1 second. So that’s pretty fast! For comparison, sounds can travel only 340 meters in 1 second.

    • Photo: Moises Jezzini

      Moises Jezzini answered on 7 Nov 2016:

      One other interesting fact about the velocity of light is that, there is nothing, I mean NOTHING that can be faster than light in vacuum. Albert Einstein explained this in his Relativity Theory.

      So the Photon is like the Flash of the particles!

    • Photo: Stephen Davitt

      Stephen Davitt answered on 7 Nov 2016:

      Nearly 300 million meters per second! So that means in just one second light could travel over 7 times around the earth… WOW

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