How old is the light from the sun?
It takes something like 100,000 years for light to get from the centre of the sun where it was first created by the process of nuclear fusion to the surface. Then took only about 8 minutes to get from the surface to the earth.
So states Plasma Engineer -- and who am I to argue with such a statement from such a knowledgeable writer?
National Geographic Photo Contest
Photo and caption by Lynsey Stone
Why is this such a compelling photo? Could it be that it tells the basic story of the human race? And the total meaning of life?
You can imitate the sound of anyone saying anything, even in a language you know nothing about...but you can only repeat something in a language that you know.
--Geoffrey K. Pullum