But first, some fun facts about the sun. How old is the sun? It is 4.6 billion years old! The sun is 139 times larger than Earth. It takes 8 minutes for sunlight to reach Earth. Did you know the ...

Use the link below to download a NASA/SDO poster showing different wavelengths and temperatures of the Sun in all its splendour. The Solar Dynamics Observatory (SDO) is a program run by NASA ...