Wien's law
（重定向自Wien Law）
Wien's law or Wien law may refer to:
this implies that hotter objects will emit more of its radiation at a shorter wave length while colder or low temperature objects will emit more radiation at a longer wave length. For instance the sun with a high temperature of about 6000k will produce More radiation at a shorter wave length while the earth's surface with a low temperature of about 15c will emit radiation at a longer wave length