Why Is Radiation A Unique Form Of Thermal Energy Transfer

In the graphic of Earth's energy budget, the outgoing thermal radiation

Why Is Radiation A Unique Form Of Thermal Energy Transfer. Conduction is heat transfer directly. Radiation does not require any medium.

In the graphic of Earth's energy budget, the outgoing thermal radiation
In the graphic of Earth's energy budget, the outgoing thermal radiation

Web convection requires fluid flow. Conduction is heat transfer directly. Radiation does not require any medium.

Web convection requires fluid flow. Radiation does not require any medium. Conduction is heat transfer directly. Web convection requires fluid flow.