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Uranus

Uranus: The Blue Planet
Image: NASA

Uranus: The Blue Planet

Uranus spins on such a tilted axis that its poles often point directly at the Sun, creating seasons that last 42 Earth years — and some dramatic weather patterns.

The seventh planet from the sun, this gas giant has 11 rings and at least 27 moons. Methane gas in its atmosphere gives Uranus its bright blue-green color. Explore this "off-kilter" planet.

National Geographic
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‘8 Planets and a Dwarf’ Sudoku

‘8 Planets and a Dwarf’ Sudoku

Love puzzles? This online Sudoku-like puzzle involves all the planets of the solar system, plus Pluto. Featuring 5 levels, you can start with “very easy” and work your way up to “extra challenging.” More...

Game
Windows to the Universe
10 Need-to-Know Things About Uranus

10 Need-to-Know Things About Uranus

Did you know that a day on Uranus is about 17 hours? Or that its orbit around the Sun takes 84 Earth years? Discover the other 8 need-to-know things. More...

Article
NASA
Heidi Hammel: Becoming an Astronomer

Heidi Hammel: Becoming an Astronomer

Today she's one of the foremost experts on Uranus and Neptune...but as a college student, Hammel almost dropped her first astronomy course. Watch her story. More...

Profile
Big Think
How Well Do You Know the Tilted Planet?

How Well Do You Know the Tilted Planet?

Uranus is spectacularly blue and has many rings, but what other scientific secrets is this planet hiding? Test your knowledge of the tilted planet. More...

Interactive
Space.com
Images of Uranus

Images of Uranus

In January of 1986, Voyager 2 came within 50,600 miles (81,800 km) of Uranus's cloudtops. Take a look at the images the spacecraft radioed back. More...

Images
JPL/NASA
Lonely Worlds: Date Uranus

Lonely Worlds: Date Uranus

Discover why Uranus is "a great catch" in this unusual profile of the planet named after a Greek god. More...

Video
Science Channel
Photos of Uranus, the Tilted Giant Planet

Photos of Uranus, the Tilted Giant Planet

From infrared shots of Uranus and its rings to photos taken by the Voyager spacecraft and composite shots from the Hubble Telescope, explore the "tilted giant" with this gallery. More...

Images
Space.com
Space School: Uranus

Space School: Uranus

With wild winds and dangerous storms, Uranus is not as peaceful as we once thought. Find out what drives Uranus' mercurial atmosphere. More...

Video
Science Channel
Uranus

Uranus

This icy giant has some pretty extreme seasons thanks to a long trip around the sun (84 Earth years) and an axis that's tilted nearly sideways. More...

Video
Cassiopeia Project
Uranus Overview

Uranus Overview

What is the atmosphere like on Uranus? What is its core made of? How many moons does it have? Get answers to these questions and more. More...

Article
Window to the Universe
Uranus: Moons

Uranus: Moons

What makes Uranus' moons unique? Their names don't come from Greek mythology. Most are named after Shakespearean characters. From Cordelia to Ferdinand, explore these 27 natural satellites. More...

Article
NASA

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