| − | The other three gas giants ([[Jupiter]], [[Saturn]], and [[Neptune]]) radiate more energy than they absorb from the Sun. Uranus does not. Yet Uranus and Neptune are of comparable size, mass, atmospheric composition, and length of the sidereal day. No naturalistic theory can account for this salient difference. Uranus' peculiar lack of an internal heat source was known before Voyager and confirmed by Voyager.<ref name=AiG/><ref name=Psarris/><ref name=Henry>Henry, Jonathan. "[http://www.answersingenesis.org/tj/v15/i3/uranus_energy.asp The energy balance of Uranus: implications for special creation]." [[Journal of Creation]] (formerly ''TJ''), 15(3):85-91, December, 2001. Hosted by [[Answers in Genesis]]. Accessed April 25, 2008.</ref> | + | The other three gas giants ([[Jupiter]], [[Saturn]], and [[Neptune]]) radiate more energy than they absorb from the Sun. Uranus does not. Yet Uranus and Neptune are of comparable size, mass, atmospheric composition, and length of the sidereal day. No naturalistic theory can account for this salient difference. Uranus' peculiar lack of an internal heat source was known before Voyager and confirmed by Voyager.<ref name=AiG/><ref name=Psarris/><ref name=Henry>Henry, Jonathan. "[http://www.answersingenesis.org/tj/v15/i3/uranus_energy.asp The energy balance of Uranus: implications for special creation]." ''Journal of Creation'' (formerly ''TJ''), 15(3):85-91, December, 2001. Hosted by [[Answers in Genesis]]. Accessed April 25, 2008.</ref> |