• Question: How far can light travel? (If nothing blocks it)

    Asked by Jeff Acer 42.0 to Claire, Liad, Ruth, Ryan, Mako on 19 Jun 2015.
    • Photo: Tat Ming Mako Ng

      Tat Ming Mako Ng answered on 19 Jun 2015:

      Light can travel forever if nothing blocks it, that means, under vacuum. That’s why we can see stars which are very very far away from us.

    • Photo: Ryan Cheale

      Ryan Cheale answered on 23 Jun 2015:

      Infinite distance!

      Light interacts as it travels with particles and gas etc but theortetically it would never stop

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