How does a planet 4.5 billion kilometres from the Sun, where daylight is roughly 900 times dimmer than on Earth, whip up the fastest winds in the entire solar system? - Space Daily

At Neptunes average distance of 4.5 billion kilometres from the Sun, noon resembles a dim terrestrial twilight. Sunlight is about 900 times weaker than at Earth, yet bright methane-ice clouds can rac… [+7127 chars]