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This is an image of Uranus compared with that of the Earth.

A Comparison of Uranus and the Earth.

This image compares Uranus with Earth. Uranus is the fourth largest planet in the solar system, much larger than Earth, and mostly made of frozen gas. The table below is a comparison of the characteristics of Uranus and Earth.

Characteristic Relative to Earth
(Earth = 1)
Absolute Value
Mass 14.5 8.68x10**28
Radius 4 25,559 km
Mean Density ----- 1.29 g/cm**3
Rotation Period 17.9 Earth hours -----
Mean Orbital
19.2 AU 2,870 x 10**6 km
Orbital Period 84 Earth years -----
Orbital eccentricity ----- 0.0461
Inclination to
ecliptic (degrees)
----- 0.774
----- -350F

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An Overview of Uranus' Atmosphere

The bland aquamarine face of Uranus bears witness to the fact that Uranus is enshrouded in clouds. The planet appears to be blue-green because the atmosphere absorbs the red wavelengths of the visible...more

An Overview of Uranus' Interior

The Giant planets do not have the same kind of structure inside that the terrestrial planets do. Their evolution was quite different than that of the terrestrial planets, and they have much more gas and...more

Uranus' Moons and Rings

Uranus has // Call the moon count function defined in the document head print_moon_count('uranus'); fascinating moons and a complicated ring system. The ring system is a completely different form of ring...more

The Poles of Uranus

Uranus is the tilted planet. Its spin axis, which defines the locations of its North and South Poles, is tilted almost 98° away from the "upright" direction perpendicular to its orbital plane. In other...more

An Overview of Uranus' Atmospheric Evolution

Atmospheres of the giant planets have definitely evolved from their formation out of the primitive solar nebula. How much they have evolved remains to be seen, however. Because of their enormous gravity,...more

Diffusion in Uranus Atmosphere

The major gaseous constituent of the atmosphere is methane. At the uppermost reaches of the atmosphere, near the thermosphere, methane gas breaks apart due to the influence of energetic photons or charged...more

An Overview of Motions in Uranus' Atmosphere

Motions in the atmosphere include wind. The major winds in the Uranian atmosphere are the zonal winds which consist of westward flowing zones and eastward flowing belts. The other major means of motion...more

A Diagram of Uranus' Atmospheric Structure

This is the temperature profile of Uranus' entire atmosphere. The horizontal lines indicate the boundaries between the troposphere, the stratosphere, the mesosphere, and the thermosphere. ...more

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