4.5 pounds of sunlight strike the Earth each day. June 24, 2008July 2, 2011Weirdo4.5 pounds of sunlight strike the Earth each day.Share this:FacebookTwitterEmail
BraydenDecember 20, 2010 at 1:29 amPermalinkSunlight has momentum but not mass. It has no weight because photons are not affected by gravity. However, using E=MC^2, one would find that the radiation flux on Earth’s surface is about 2.8 kg/sec. Reply
I thought light didn’t have weight?
Sunlight has momentum but not mass. It has no weight because photons are not affected by gravity. However, using E=MC^2, one would find that the radiation flux on Earth’s surface is about 2.8 kg/sec.