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Uranus/Ariel – Earth/Moon Size Comparison

This illustrates the relative sizes of Uranus, Earth and Earth's Moon. The images are shown at the proper relative size, but not the correct relative distance from each other. Uranus is approximately 31,000 miles (50,000 kilometers) in diameter, or about four times the size of Earth. The Earth is approximately 7,900 miles (12,800 kilometers) in diameter, or about four times the diameter of the Moon, 2,100 miles (3,500 kilometers).
- Object NameObject NameA name or catalog number that astronomers use to identify an astronomical object.Uranus
- Release DateAugust 31, 2006
- Science ReleaseHubble Captures a Rare Eclipse on Uranus
- Credit
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Uranus as Viewed from Earth – 1994, 1997, 2006
This diagram shows how the inclination of orbits of Uranus' moons have appeared increasingly more oblique over the past 12 years due to Uranus's orbit about the Sun. Hubble Space Telescope has been watching Uranus over that period and has traced, in detail, our changing view of...
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Last Updated
Mar 28, 2025
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Media
Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov