Usually not 11, but II. The Roman numeral 2. It means you have the same name as another member of your family, OTHER than your dad. If you and your grandad are both Bob Jones, you would be Bob Jones...
The International Astronomical Union (IAU) recognises eight planets in our solar system (from closest to sun to furthest); Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. A further...