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The Earth and Beyond

The Planets - Pluto.

Pluto is the ninth planet from the Sun.

The information below is included to let you know
a little more about the planets in our solar system.
You will not be expected to remember this information for the exam.

Pluto spins on its axis once in about 6 days.
The surface temperature of Pluto is about -230°C.

Pluto has the most elliptical orbit of the planets.
It spends some time closer to the Sun than Neptune (see picture).

Pluto has a higher density than the other outer planets
and is probably made from rocky material.

Pluto has one moon called Charon
(pronounced "kair-en", like "air" with a "k" in front).
Charon is about half as big as Pluto.
Pluto itself is smaller than the Earth's moon
and has recently been classified as a dwarf planet.

(see Summary for further information).

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