orbit: 2,870,990,000 km (19.218 AU) from Sun
diameter: 51,118 km (equatorial)
mass: 8.683e25 kg
Crafty delivery may be central to spurn embarrassment; say "YOOR a nus", not "your anus" or "urine us".
Uranus is the ancient Greek deity of the Impression, the primarily unparalleled god. Uranus was the son and pal of Gaia the create of Cronus (Saturn) and of the Cyclopes and Titans (predecessors of the Olympian gods).
Uranus, the preparatory furrow naked in modern epoch, was naked by William Herschel count methodically questioning the sky with his disappear on Store 13, 1781. It had actually been seen recurrent epoch via but unobserved as only unusual star (the primarily recorded detection was in 1690 on one occasion John Flamsteed cataloged it as 34 Tauri). Herschel named it "the Georgium Sidus" (the Georgian Humankind) in exalt of his patron, the illustrious (to Americans) King George III of England; others called it "Herschel". The name "Uranus" was preparatory planned by Portend in loyalty with the other stellar names from prototypical mythology but didn't come concerning common use until 1850.
Uranus has been visited by single-handedly one guile, Trailblazer 2 on Jan 24 1986.
Top figure of the planets cylinder on an axis nearly test to the rank of the ecliptic but Uranus' axis is almost total to the ecliptic. At the time of Trailblazer 2's vestibule, Uranus' south place was rangy almost frankly at the Sun. This domino effect in the odd fact that Uranus' cold regions earn stuck-up energy basic from the Sun than do its equatorial regions. Uranus is calm hotter at its equator than at its poles. The moving parts deep this is dull.
In point of fact, there's an ongoing challenge polished which of Uranus' poles is its north pole! Either its axial inclination is a bit polished 90 degrees and its errand is direct, or it's a bit less than 90 degrees and the errand is retrograde. The small business is that you impel to bribe a separating line *somewhere*, having the status of in a organize dearest Venus there is slump battle that the errand is actually retrograde (not a direct errand with an inclination of nearly 180).
Uranus is unruffled generally of deseed and compound ices, with single-handedly about 15% hydrogen and a slump helium (in relate to Jupiter and Saturn which are mainly hydrogen). Uranus (and Neptune) are in recurrent ways compatible to the cores of Jupiter and Saturn inadequate the magnificent explanation metallic hydrogen wrap. It appears that Uranus does not command a rocky compassion dearest Jupiter and Saturn but equitably that its kit is stuck-up or less evenly disperse.
Uranus' concern is about 83% hydrogen, 15% helium and 2% methane.
Adore the other gas planets, Uranus has bands of clouds that dash involvement rapidly. But they are extremely spineless, noticeable single-handedly with rebellious image exaggeration of the Trailblazer 2 pictures (now). In mint condition remarks with HST (departed) manifestation outsized and stuck-up finish streaks. Different HST remarks manifestation even stuck-up rush around. Uranus is no longer the dilute unexciting furrow that Trailblazer saw! It now seems affirmative that the differences are due to nomadic effects as the Sun is now at a lower Uranian permission which may nose stuck-up finish day/night weather effects. By 2007 the Sun specter be frankly polished Uranus's equator.
Uranus' amethyst color is the development of integration of red light by methane in the aristocratic concern. Stage may be colored bands dearest Jupiter's but they are innermost from view by the overlaying methane face.
Adore the other gas planets, Uranus has rings. Adore Jupiter's, they are very dark but dearest Saturn's they are unruffled of evenhandedly luxurious particles ranging up to 10 meters in diameter in append to fine elegance. Stage are 11 household rings, all very faint; the brightest is household as the Epsilon ring. The Uranian rings were the preparatory in arrears Saturn's to be naked. This was of considerable arrange as we now know that rings are a common body of planets, not a merit of Saturn by yourself.
Trailblazer 2 naked 10 immature moons in append to the 5 luxurious ones earlier than household. It is likely that there are special stuck-up barely satellites within the rings.
Uranus' rhythmic offshoot is odd in that it is not centered on the middle of the furrow and is at an angle almost 60 degrees with witness to the axis of errand. It is seemingly generated by indicate at very bubbly unhappy within Uranus.
Uranus is sometimes good insignificant noticeable with the solitary eye on a very affirmative night; it is evenhandedly easy to setting with binoculars (if you know respectable someplace to part). A immature shrill disappear specter manifestation a immature circumnavigate.
Uranus' Satellites line-height: 1.3em;">Uranus has 21 named moons and six private ones:
Poles apart the other bodies in the stellar machinery which command names from prototypical mythology, Uranus' moons cope with their names from the writings of Shakespeare and Pope.
They form three exact classes: the 11 immature very dark inner ones naked by Trailblazer 2, the 5 luxurious ones (now), and the just this minute naked extreme stuck-up aloof ones.
Top figure command nearly in a circle orbits in the rank of Uranus' equator (and as follows at a luxurious pitch to the rank of the ecliptic); the apparent 4 are extreme stuck-up egg-shaped.
Coldness Radius Mountain
Satellite (000 km) (km) (kg) Discoverer Picture
Cordelia 50 13 ? Trailblazer 2 1986
Ophelia 54 16 ? Trailblazer 2 1986
Bianca 59 22 ? Trailblazer 2 1986
Cressida 62 33 ? Trailblazer 2 1986
Desdemona 63 29 ? Trailblazer 2 1986
Juliet 64 42 ? Trailblazer 2 1986
Portia 66 55 ? Trailblazer 2 1986
Rosalind 70 27 ? Trailblazer 2 1986
2003U2 75 6 ? Showalter 2003
Belinda 75 34 ? Trailblazer 2 1986
1986U10 76 40 ? Trailblazer 2 1986
Puck 86 77 ? Trailblazer 2 1985
2003U1 98 8 ? Showalter 2003
Miranda 130 236 6.30e19 Kuiper 1948
Ariel 191 579 1.27e21 Lassell 1851
Umbriel 266 585 1.27e21 Lassell 1851
Titania 436 789 3.49e21 Herschel 1787
Oberon 583 761 3.03e21 Herschel 1787
2001U3 4281 6 ? Sheppard 2003
Caliban 7169 40 ? Gladman 1997
Stephano 7948 15 ? Gladman 1999
Trinculo 8578 5
Sycorax 12213 80 ? Nicholson 1997
2003U3 14689 6 ? Sheppard 2003
Prospero 16568 20 ? Holman 1999
Setebos 17681 20 ? Kavelaars 1999
2002U2 21000 6 Sheppard 2003
Uranus' Earrings
Coldness Leeway
Clique (km) (km)
1986U2R 38000 2,500
6 41840 1-3
5 42230 2-3
4 42580 2-3
Alpha 44720 7-12
Beta 45670 7-12
Eta 47190 0-2
Gamma 47630 1-4
Delta 48290 3-9
1986U1R 50020 1-2
Epsilon 51140 20-100
(store is from Uranus' middle to the ring's inner edge)
Few big Satellites of Uranus 1. Miranda
Miranda ("mi RAN duh") is the eleventh of Uranus's household satellites. Miranda is the entering of Uranus' luxurious moons.
orbit: 129,850 km from Uranus
diameter: 472 km
mass: 6.3e19 kg
Miranda is a youngster of the magician Prospero in Shakespeare's The Whirlwind.
Exposed by Kuiper in 1948.
Trailblazer 2 was aggravated to fly strict to Uranus in order to get the increase it considered necessary to go on to Neptune and due to the sway of the whole machinery at almost now angles to the ecliptic single-handedly Miranda was approached well. Up to that time Trailblazer, of course, slump was household about Miranda and as it is not the main or in any other way attractive, it seemingly would not command been special as the organize object at Uranus. Voyager's good luck held up, at a halt, as Miranda turned out to be by far the utmost wacky.
Miranda is about part water ice and part rocky kit.
Miranda's exist is all assorted up with densely cratered voters intermixed with paranormal grooves, valleys and cliffs (one polished 5 kilometers high; departed).
At preparatory, Trailblazer 2's images of Miranda were a mystery. Somebody had received that Uranus' moons would manifestation very slump history of at your house rush around (dearest Callisto). Explaining the grotesque in spite of that dull voters proved ample an shame to inhabitants who had to do it on be present TV. Their usual significant and esoteric ritual dialect gave out and they had to resort to using such qualifications as "chevron" (now), "occupation path", and "face cake" to illustrate Miranda's one-off skin texture.
It was first of all make an effort that Miranda had been to end with useless and reassembled special epoch in its history, each time burying some parts of the different exist and revealing some of the internal. Now, at a halt, a stuck-up run of the mill checking account linking the spill of partially melted ices seems to be in friendliness.
Trailblazer 2 approved so strict to Miranda and the light levels are so low there (almost 3 billion km from the Sun) that special provision had to be employed to spurn smearing the images. This was helpful by turning the exclusive guile count the camera's shutter was open to repay for its indicate. The significant images command the best resolve of the exclusive shoot.
It is actually possibility to see Uranus's 4 main moons with an unqualified disappear, but Miranda is a real question. Perhaps with a very dark sky and a disappear with an 18 inch (50 cm) division or stuck-up it may possibly be possibility
Few big Satellites of Uranus 2. Titania
Titania ("ti TAY nee uh") is the fourteenth and main of Uranus's household satellites:
orbit: 436,270 km from Uranus
diameter: 1578 km
mass: 3.49e21 kg
Titania is the Queen of the Fairies and wife of Oberon in Shakespeare's Midsummer-Night's Objective.
Exposed by Herschel in 1787.
Titania and Ariel be included ample compatible even though Ariel is 25% less significant. All of Uranus' luxurious moons are a fantasy of about 40-50% water ice with the rest deseed, a pretty outsized component of deseed than Saturn's luxurious moons such as Rhea.
Titania's exist is a fantasy of cratered voters and systems of solid valleys hundreds of kilometers hunger. Some of the craters be included to be half-submerged. Titania's exist is enthusiastically very simple (even though other than some such as Enceladus); transparently some scenery of resurfacing processes command been at work.
One conjecture of Titania's history is that it was like hot enough to be explanation. The exist seemingly frozen first; on one occasion the internal froze it long-drawn-out forcing the exist to bang and significant in the valleys that we see today
Few big Satellites of Uranus 3. Oberon
Oberon ("OH buh ron") is the extreme of Uranus' luxurious satellites and the second largest:
orbit: 583,420 km from Uranus
diameter: 1523 km
mass: 3.03e21 kg
Oberon is the King of the Fairies and group of Titania in Shakespeare's Midsummer-Night's Objective.
Exposed by Herschel in 1787.
Oberon and Umbriel be included ample compatible even though Oberon is 35% outsized. All of Uranus' luxurious moons are a fantasy of about 40-50% water ice with the rest deseed, a pretty outsized component of deseed than Saturn's luxurious moons such as Rhea.
Oberon's densely cratered exist has seemingly been dependable as its formation. It has far stuck-up and outsized craters than do Ariel and Titania. Some of the craters command brightness of ejecta compatible to inhabitants seen on Callisto.
Some of the hollow floors are dark, perhaps covered with darker kit (ragged water?) that upwelled concerning the hollow.
Spacious faults are overly seen corner to corner the exclusive southern hemisphere of Oberon. This indicates some geologic rush around before in Oberon's history
Few big Satellites of Uranus 4. Umbriel
Umbriel ("UM bree el") is the thirteenth of Uranus's household satellites and the third largest:
orbit: 265,980 km from Uranus
diameter: 1170 km
mass: 1.27e21 kg
Umbriel is a grit in Alexander Pope's The Rape of the Cut off.
Exposed by Lassell in 1851.
Umbriel and Oberon be included ample compatible even though Oberon is 35% outsized. All of Uranus' luxurious moons are a fantasy of about 40-50% water ice with the rest deseed, a pretty outsized component of deseed than Saturn's luxurious moons such as Rhea.
Umbriel's densely cratered exist has seemingly been dependable as its formation. It has far stuck-up and outsized craters than do Ariel and Titania.
Umbriel is very dark; it reflects single-handedly about part as extreme light as Ariel, Uranus' brightest satellite.
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