Hey Gnome Nation : Does the sun send heat to earth? 🌎 Find out here! #sci6p32 #Hashtag180 #SalemProud http://pic.twitter.com/impYczQNlo— Bill Ferriter (@plugusin) June 4, 2017
Here is a page explaining the differences between conduction, convection, and radiation. The key point is that conduction and convection require a medium, but radiation does not.
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