The temperature-dependent emission of electromagnetic waves. Combine this tag with the [thermodynamics] tag for a macroscopic view or the [quantum-mechanics] tag 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.