How long does it take heat to get to earth from the sun?

2 Answers
Mar 5, 2016

Heat is a form of electromagnetic radiation.


It therefore travels with the speed of light, which is almost #300000# km/s
As the average distance from the sun is about #150# million km, this will take:

Infra red waves a form of electro magnetic radiation brings heat to earth from Sun.


They travel at speed of light and takes about 8 minutes and 20 seconds to reach earths surface.