All objects at any temperature emit radiant energy. Objects that are good absorbers are also good____ of radiation. Hotter objects emit____ total energy per unit than colder objects do.Click to see full answer. People also ask, do all objects radiate heat?All objects emit electromagnetic radiation according to their temperature. Colder objects emit waves with very low frequency (such as radio or microwaves), while hot objects emit visible light or even ultraviolet and higher frequencies. Red stars are cooler, and they emit the most radiation in the red wavelengths.Likewise, what happens to the temperature of something that radiates energy without absorbing the same amount in return? It cools. An object that radiates energy at night is in contact with the relatively warm Earth. The cooling rate will be the same as if the temperature were -20°C without wind. One may also ask, what happens when radiation strikes an object? List three things that can happen when radiation strikes an object. Absorbs, transmitted, reflected. Some energy is absorbed by the object. Substances such as water and air transparent to certain wavelengths of radiation.How do objects emit heat at different rates?Different materials have different heat conductivity. They can give off the bulk of their heat through conduction at different rates. Different objects have different colors, being able to radiate more or less heat at the same temperature.