Lighting Industry The Speed of Light Craig DiLouie April 27, 2010 6:49 AM April 27, 2010 229 views 1 Comment on The Speed of Light … is 186,000 miles per second … is 11,160,000 miles per minute … is 669,600,000 miles per hour Post Views: 229 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Like this:Like Loading... Related Like Tweet Pin 1 Comment Randy Smith says: April 27, 2010 at 9:30 AM Not to mention 300,000 kilometers per second and there is no period of acceleration. The photon goes from still to lightspeed instantly. At this speed it still takes 4.2 YEARS to get to the star closest to us (Proxima Centauri). And almost 9 minutes for light to get from our sun to the Earth. Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.