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Size comparison of Earth and Uranus. Uranus's mass is roughly 14.5 times that of Earth, making it the least massive of the giant planets. Its diameter is slightly larger than Neptune's at roughly four times that of Earth. A resulting density of 1.27 g/cm 3 makes Uranus the second least dense planet, after Saturn.
For the small outer irregular moons of Uranus, such as Sycorax, which were not discovered by the Voyager 2 flyby, even different NASA web pages, such as the National Space Science Data Center [6] and JPL Solar System Dynamics, [5] give somewhat contradictory size and albedo estimates depending on which research paper is being cited.
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The moons of the trans-Neptunian objects (other than Charon) have not been included, because they appear to follow the normal situation for TNOs rather than the moons of Saturn and Uranus, and become solid at a larger size (900–1000 km diameter, rather than 400 km as for the moons of Saturn and Uranus).
One of the brightest features in the new image is Uranus’ seasonal white north polar cap, which takes center stage as the pole points toward the sun during the planet’s approach to solstice ...
English: Comparison of angular diameter of the Sun, Moon and planets with the International Space Station (as seen from the surface of the Earth), the 20/20 row of the Snellen eye chart at the proper viewing distance and typical human visual acuity. The dotted circles represent the minimum angular size (when the celestial bodies are farthest ...
‘One in every 200-3000 stars’ could host a planet in outer edge of its solar system, researchers say
Thickness of human skin (thickest, soles of feet) 4 × 10 −3 meters — Ant: 4 × 10 −3 meters 4 × 10 −3 meters Sleet: 5 × 10 −3 meters 5 × 10 −3 meters Sunflower seed — 7 × 10 −3 meters Grain of rice: 8 × 10 −3 meters 5 × 10 −3 meters Average size of a snowflake: 10 −2 meters — Coffee bean: 10 −2 meters 10 −2 ...