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Planet Uranus - astronomy questions

Flashcards for quick repetition. One of largest planets of Solar System - Uranus. Take the quiz ant test your knowledge.
Flashcards: 16 Played: 1436 times
Who discovered Uranus?
Nicolas Copernicus
William Herschel
Giovanni Cassini
William Herschel
Uranus is the .... planet from the Sun.
Uranus is:
ice giant
gas giant
ice giant
Uranus orbits the Sun once every:
72 years
92 years
65 years
84 years
84 years
Composition of Uranus atmosphere is:
81% hydrogen, 16% helium, 3,3% methane
86% hydrogen, 13% helium, 3,3% methane
83% hydrogen, 15% helium, 2,3% methane
86% hydrogen, 12% helium, 2,3% methane
83% hydrogen, 15% helium, 2,3% methane
Uranus average distance from the Sun is roughly:
16 AU
22 AU
20 AU
18 AU
20 AU
The difference between Uranus minimum and maximum distance from the Sun is:
0.4 AU
1.2 AU
1.8 AU
2.2 AU
1.8 AU
The Uranian axis of rotation is approximately parallel with the plane of the Solar System, with an axial tilt of:
92.39°
96.25°
97.77°
91.12°
97.77°
Uranus's mass is roughly .... times that of Earth.
How many known moons orbit Uranus?
11
27
35
24
27
How many rings does Uranus have?
13
16
4
7
13
Largest moon of Uranus is:
Umbriel
Oberon
Titania
Ariel
Titania
Among the Uranian satellites, .... appears to have the youngest surface with the fewest impact craters and .... is the oldest.
Uranus escape velocity equals:
18.9 km/s
21.3 km/s
24.3 km/s
31.3 km/s
21.3 km/s
Is Uranus a planet with retrograde rotation?
yes
no
yes
Wind speeds on Uranus can reach:
1180 km/h
900 km/h
480 km/h
1360 km/h
900 km/h

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#uranus #solarsystem #planet #planets

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