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2020/6

/22

2020/6

/22

天王星

Uranus Facts Need to Know3

2020/6/22

Earth

Uranus

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U_ _ _ _s is the seventh planet from the Sun.

1 Uranus 14 Earths

Uranus is b_ _e-g_ _ _n in color.

The atmosphere atop is composed of ammonia, water, and methane ice crystals, which provide

Uranus its pale blue hue.

Uranus Surface

contain H2S

smell like

rotten eggs

Weight Comparison

◼ A gas giant is a

giant planet

composed mainly of

hydrogen and

helium.

➢ There are two gas

giants in the Solar

System: Jupiter

and Saturn.

Uranus is an _ _ _ giant.

Jupiter Saturn

Uranus

Neptune

◼ An ice giant is a giant

planet composed mainly of

elements heavier than

hydrogen and helium, such

as oxygen, carbon,

nitrogen, and sulfur.

➢ There are two ice giants in

the Solar System: Uranus

and Neptune.

20% hydrogen + helium

Ice Giant

90%hydrogen + helium

Gas Giant

4

2020/6/22

Uranus is the _ _ _ _est planet in the solar system, and this may be caused by:

2,870,000,000km

the minimum

temperature is

about -224 ℃

1. It is too far away from the Sun to get

enough energy;

2. Its chaotic atmosphere and its

anomalous orientation may lead to this;

3. Some form of barrier may exist in Uranus'

upper layers that prevents the core's heat

from reaching the surface.

Uranus has dark, narrow _ _ _ _s.Uranus was the first planet

discovered with a t_ _ _s_ _ _ _.

Uranus has 13 distinct rings.

They start at about a distance of

38,000 km from the center of

Uranus, and then extend out to

about 98,000 km.

Replica of the

telescope used by

Herschel to discover

Uranus

Sir William Herschel

observed Uranus on 13

March 1781 from the garden

of his house using a

telescope of his own design.

Uranus orbits the Sun once every 84 years.

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Uranus Facts Need to Know

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