* Uranus is the seventh planet from the Sun and is an ice giant. It has a diameter of about 51,118 km (31,763 miles).

* Mercury is the smallest planet in our solar system and is a terrestrial planet. It has a diameter of about 4,880 km (3,032 miles).

To put this in perspective, Uranus is over 10 times wider than Mercury. In terms of volume, Uranus is about 4,900 times larger than Mercury!