Page 173 - DK Children's Encyclopedia

Moon SEE ALSO

▸ ▸ Asteroids p.30
▸ ▸ Atmosphere p.33
The moon is a round, rocky, airless “body” that circles ▸ ▸ Comets p.68
the Earth. It is the most familiar object in the sky after ▸ ▸ Earth p.83
the sun. People have visited the moon, but not ▸ ▸ Solar system

since 1972. p.233
▸ ▸ Tides p.254

Rocky body
The moon is large and rocky
with a dusty, airless surface.
It is about one-quarter the
width of the Earth.

Man on the moon
The moon is the only object in
the solar system that has been
visited by humans. American
Apollo space missions landed 12
The dark people on the moon between
areas are 1969 and 1972.
where there
used to be seas
of liquid rock.

The moon’s surface is Moon creation
Moon’s orbit covered with pits left Scientists think the moon was
created when a small planet, Theia,
The moon travels around by space rocks that crashed into the Earth 4.5 billion
crashed into it.
the Earth. This is called an years ago. As a result, rocks on the
orbit. The moon takes 27.3 moon are similar to rocks on Earth.
days to make its orbit
around our planet.

Moon

We always see the
same side of the
The shape of the moon’s orbit Earth moon facing Earth.
is a slightly squashed circle.

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