Blue-green ice giant
Uranus is the seventh planet from the Sun. It is often called an ice giant because it contains icy materials in addition to gas.
Uranus is a cold blue-green ice giant with an unusual tilt.
A pale blue-green planet with a thin ring crossing in front of it.
Uranus is a cold blue-green ice giant with an unusual tilt.
Uranus rotates at a dramatic angle, so it can seem to roll around the Sun. That strong tilt makes it stand out when readers compare the planets.
Methane in the upper atmosphere changes the way light is absorbed and reflected. That helps give Uranus its cool blue-green color.
Uranus helps explain the difference between the rocky inner planets and the cold giant planets farther out. It also shows that not every giant planet is like Jupiter.
Imagine a calm blue-green world in deep space, cold and distant, with faint rings and a very unusual spin.
The site is built for readers who want calm explanations first. Each page starts with the basics and then adds more detail in short blocks.
The blocks let the reader take the page in small steps. You can read one idea at a time and still keep the next button in view.