Page 214 - Science Course 3 (Book 2)

Mo13-L3b: What are the Outer Planets Made Of?

Uranus
Mass : 8.68 x 10^25 kg (15 Earths)
Uranus is the seventh planet from the Sun, with a
system of narrow, dark rings and a diameter about Equatorial Diameter: 51,118 km
four times that of Earth. Polar Diameter: 49,946 km
Equatorial Circumference: 159,354 km

70 kg : Your weight on Uranus is 62.2 kg

Atmosphere

82.5% Hydrogen
15.2% Helium
2.3% Methane
Uranus size
compared to Earth

Key Concept

Uranus What are the Outer Planets Made Of?
Distance from Sun: Identify the substances that make up the
19.2 AU(2,900,000,000 km) atmosphere and the thick slushy layer on Uranus.
Length of Day:
17 Earth Hours
Length of Year:
84 Earth Years
Type:
Ice Giant –216 0C
27 Moon 13 Rings
Temperature

Uranus has a deep atmosphere composed mostly of
hydrogen and helium and small amount of methane.

Beneath Uranus’s atmosphere is a thick, slushy layer
of water, ammonia, and other materials.

Uranus has a tilted axis or rotation that might have
been caused by a collision with an Earth-sized
object.

Uranus has at least 27 moons.

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