- The diameter of Jupiter is 152,800km (88 700 miles).
- The 3 most common languages in the world are Mandarin Chinese, Spanish and English.
- The average person has over 1,460 dreams a year.
- Gunpowder is formed by mixing charcoal, saltpetre and sulphur.
- The 'black box' that houses an airplanes voice recorder is actually orange so it can be more easily detected amid the debris of a plane crash.
reload more facts | visit cool facts
add this widget to your website