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Uranus was the last giant planet without any known irregular moons until 1997, when astronomers using ground-based telescopes discovered Sycorax and Caliban. From 1999 to 2003, astronomers continued searching for irregular moons of Uranus using more powerful ground-based telescopes, resulting in the discovery of seven more Uranian irregular ...
The California Air Pollution Control District Act of 1947 allowed 1 or more counties to form air pollution districts. [5] [6] The California Bay Area Pollution Control Act of 1955 created the Bay Area Air Pollution Control District. [5] [7] The California Mulford-Carrell Air Resources Act of 1967 resulted in the creation of 11 air basins. [5] [8]
Puck—the largest inner moon of Uranus—was discovered from the images taken by Voyager 2 on 30 December 1985. It was given the temporary designation S/1985 U 1. [11]The moon was later named after the character Puck who appears in Shakespeare's A Midsummer Night's Dream, a little sprite who travels around the globe at night with the fairies.
Oberon / ˈ oʊ b ər ɒ n /, also designated Uranus IV, is the outermost and second-largest major moon of the planet Uranus. It is the second-most massive of the Uranian moons , and the tenth-largest moon in the Solar System .
Titania (/ t ə ˈ t ɑː n i ə, t ə ˈ t eɪ n i ə /), also designated Uranus III, is the largest moon of Uranus. At a diameter of 1,578 kilometres (981 mi) it is the eighth largest moon in the Solar System , with a surface area comparable to that of Australia .
Mab, or Uranus XXVI, [7] is an inner satellite of Uranus. It was discovered by Mark R. Showalter and Jack J. Lissauer in 2003 using the Hubble Space Telescope . [ 8 ] It was named after Queen Mab , a fairy queen from English folklore who is mentioned in William Shakespeare 's play Romeo and Juliet .
Air pollution, a global scourge that kills millions of people a year, is shielding us from the full force of the sun. ... Climate's 'Catch-22': Cutting pollution heats up the planet. Jake Spring ...
This and the dark surface made it too dim to be detected by the Voyager 2 cameras during its Uranus flyby in 1986. The orbit of Cupid is separated by only 863 km from the orbit of the larger moon Belinda. Unlike Mab and Perdita—two Uranian satellites also discovered in 2003—it does not seem to be perturbed. [2]