Here is a trivia question: Not including Earth, how many planets are visible without using any optical aid, be it binoculars or a telescope? Most people will usually answer five: Mercury, Venus, Mars, Jupiter and Saturn. But there's a sixth, Uranus.
Here is a trivia question: Not including Earth, how many planets are visible without using any optical aid, be it binoculars or a telescope? Most people will usually answer five: Mercury, Venus, Mars, Jupiter and Saturn. But there's a sixth, Uranus.