Our sun emits most of its radiation at a wavelength of 550nm. if a star were 5.00 times hotter than our sun, it would emit most of its radiation at a wavelength of nm 1st attempt feedback q see hint our sun emits most of its radiation at a wavelength of 550 nm. if a star were 5.00 times hotter than our sun, it would emit most of its radiation at a wavelength of 275 nm