This is a picture of the Net Radiation legend
This is an GIF which is showing Net Radiation over the 12 months in the year of 2019. The light green means there is no radiation. The red means its like positive radiation.This is a GIF of NASA NEO's net radiation. Net radiation is "the difference between how much solar energy enters the Earth system and how much heat energy escapes. This shows how the net radiation changes per month.