The correct option is B 7
∙ All the planets revolve around the Sun.
∙ Besides Earth, 7 other planets revolve around the Sun in our solar system.
∙ The 7 other planets are Mercury, Venus, Mars, Jupiter, Saturn, Uranus, and Neptune.
∙ Earlier, Pluto was also considered as a planet but now it has been classified as a dwarf planet because it is very small in size.