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Moons of Saturn; Moons of Uranus; P. Planetary-mass moon This page was last edited on 7 February 2021, at 17:58 (UTC). Text is available under the Creative Commons ...
Nineteen moons are large enough to be round, and two, Titan and Triton, have substantial atmospheres The number of moons discovered in each year until November 2019 Mercury , the smallest and innermost planet, has no moons, or at least none that can be detected to a diameter of 1.6 km (1.0 mi). [ 2 ]
The Moon is Earth's only natural satellite.It orbits around Earth at an average distance of 384,400 km (238,900 mi), about 30 times the width of Earth. The Moon faces Earth always with the same side, because tidal forces between Earth and the Moon have synchronized the Moon's rotation period with its orbital period (lunar month) at 29.5 Earth days.
[18] [40] When in the 20th century the names of Titans were exhausted, the moons were named after different characters of the Greco-Roman mythology or giants from other mythologies. [41] All the irregular moons (except Phoebe, discovered about a century before the others) are named after Inuit, and Gallic gods, and after Norse ice giants. [42]
One moon, Triton, makes up nearly all of the mass of the system, with all other moons together comprising only one third of one percent. This is similar to the moon system of Saturn, where Titan makes up more than 95% of the total mass, but is different from the more balanced systems of Jupiter and Uranus. The reason for the lopsidedness of the ...
The names need to meet certain constraints in order to be approved by the International Astronomical Union, which oversees all names for objects in space and features on their surfaces.Jupiter's ...
There are 293 confirmed moons in our cosmic neighborhood. By studying these worlds, astronomers hope to learn about ancient asteroid collisions, space volcanoes, and the origins of life itself.
Here are the 12 full moon dates of 2025, according to the Old Farmer's Almanac full moon calendar. January 13: Wolf Moon. February 12: Snow Moon. March 14: Worm Moon. April 12: Pink Moon. May 12 ...