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SAURO B@CCHIOCCHI

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URANO

Nella mitologia greca, Urano rappresenta il cielo stellato della sera. Urano venne fuori spontaneamente dalla Terra (personificata dalla dea Gea). Gea venne a sua volta spontaneamente alla vita da Caos, che precedette tutte le cose.

 

Diameter (km) 
Mass (kg) 
Mean density (kg/m^3) 
Escape velocity (m/sec) 
Average distance from Sun (AU) 
Rotation period (Hrs) 
Revolution period (Yrs) 
Obliquity (tilt of axis in degrees) 
Orbit inclination (degrees) 
Orbit eccentricity 
Mean temperature (K) 
Surface gravity 
Magnitude 
Visual geometric albedo  

51118
8.68 x 10^25
1290
21300
19.18
17.9
84
97.92
0.77
0.047
59
1.11
0.93
0.56

Atmospheric components 83% hydrogen, 15% helium, 2% methane
Rings Uranus has a system of narrow, faint rings. Ring particles are dark, and could consist of rocky or carbonaceous material.

 

 

I SATELLITI DI URANO

Uranus has 15 known moons. Unlike the other bodies in the solar system which have names from classical mythology, Uranus's moons take their names from the writings of Shakespeare and Pope. They form two distinct classes: the 10 small very dark inner ones discovered by Voyager 2 and the 5 large outer ones. They all have nearly circular orbits in the plane of Uranus's equator (and hence at a large angle to the plane of the ecliptic).
Satellite

Cordelia
Ophelia
Bianca
Cressida
Desdemona
Juliet
Portia
Rosalind
Belinda
Puck
Miranda
Ariel
Umbriel
Titania
Oberon

Distance (km)

50 k
54 k
59 k
62 k
63 k
64 k
66 k
70 k
75 k
86 k
130 k
191 k
266 k
436 k
583 k

Radius (km)

13
16
22
33
29
42
55
27
34
77
236
579
585
789
761

Mass (kg)

?
?
?
?
?
?
?
?
?
?
6.30e19
1.27e21
1.27e21
3.49e21
3.03e21

 


 

 

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