The temperature-dependent emission of electromagnetic waves. Combine this tag with [tag:thermodynamics] for a macroscopic view or [tag:quantum-mechanics] for a microscopic explanation.
When to Use this Tag
thermal-radiation can be used to discuss the spectrum of electromagnetic radiation as a function of the temperature of a body. Depending on the size of the body and your specific interests, you can combine it with any of thermodynamics, quantum-mechanics and/or cosmology, star and others.