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  2. In Depth | Uranus – NASA Solar System Exploration

    solarsystem.nasa.gov/planets/uranus/in-depth.amp

    The seventh planet from the Sun with the third largest diameter in our solar system, Uranus is very cold and windy. The ice giant is surrounded by 13 faint rings and 27 small moons as it rotates at a nearly 90-degree angle from the plane of its orbit.

  3. In Depth | Our Solar System – NASA Solar System Exploration

    solarsystem.nasa.gov/solar-system/our-solar-system/in-depth.amp

    Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets such as Pluto; dozens of moons; and millions of asteroids, comets, and meteoroids.

  4. Uranus By the Numbers – NASA Solar System Exploration

    solarsystem.nasa.gov/uranus-by-the-numbers

    Uranus is the seventh planet from the Sun, and the third largest planet in our solar system. It appears to spin sideways.

  5. What is a Planet? | Planets – NASA Solar System Exploration

    solarsystem.nasa.gov/planets/in-depth.amp

    Uranus was added as a planet in 1781 and Neptune was discovered in 1846. Ceres was discovered between Mars and Jupiter in 1801 and originally classified as a planet.

  6. Uranus orbits our Sun, a star, and is the seventh planet from the Sun at a distance of about 1.8 billion miles (2.9 billion kilometers).

  7. Planet Compare - NASA Solar System Exploration

    solarsystem.nasa.gov/planet-compare

    NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

  8. Uranus - NASA Solar System Exploration

    solarsystem.nasa.gov/module/82

    Uranus Right Now. Latest Stories. Previous. One Way Light Time to the Sun. Loading... Length of Year. 30,687 Earth Days. Planet Type. Ice Giant. Distance from Sun. Loading... mi km. One Way Light Time to the Sun. Loading... Length of Year. 30,687 Earth Days. Planet Type. Ice Giant. Distance from Sun. Loading... mi km. One Way Light Time to the ...

  9. In Depth | Neptune – NASA Solar System Exploration

    solarsystem.nasa.gov/planets/neptune/in-depth.amp

    Neptune is one of two ice giants in the outer solar system (the other is Uranus). Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – water, methane, and ammonia – above a small, rocky core. Of the giant planets, Neptune is the densest.

  10. In Depth | Moons – NASA Solar System Exploration

    solarsystem.nasa.gov/moons/in-depth.amp

    Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the gas giants Jupiter and Saturn and the ice giants Uranus and Neptune have dozens of moons.

  11. In Depth | Uranus Moons – NASA Solar System Exploration

    solarsystem.nasa.gov/moons/uranus-moons/in-depth.amp

    All of Uranus's inner moons (those observed by Voyager 2) appear to be roughly half water ice and half rock. The composition of the moons outside the orbit of Oberon remains unknown, but they are likely captured asteroids.