Page 241 - New Medley 5 Semester 2

THE MOON

e moon is the earth’s only natural satellite. It is
about 3,85,000 km away from the earth. e moon

is cold and dry, with a rocky surface. Its surface
has large circular hollows called craters.

What makes Moon a Lifeless Place
 ere is neither air nor water on the moon The surface of the moon

and thus, it has no weather. Since sound waves showing craters

travel through air, no sound can be heard on
the moon.

 In the absence of atmosphere, the moon has no

protection against the strong rays of the sun.

is leads to extreme changes in temperature

during day and night. e temperature on the A crater on the moon
moon ranges from a daytime maximum of about

123°C to a night time minimum of about –233°C.

ese features make it impossible for life to exist on the moon.

e moon’s gravity is one-sixth of the gravity of the earth. So, you would be able

to li even heavy objects very easily on the moon. If you can jump one metre
on the earth, you will be able to jump six metres on the moon.

Why does the Moon Shine

e moon does not have its own light but it shines because it re ects the sunlight

falling on it. us, the moonlight we see on the earth is the re ected light of
the sun.

Phases of the Moon

e shape of the moon keeps on changing. We Knowledge Zone

see the moon in di erent shapes on di erent 1. The moon is much closer to the earth

nights. e shape of the moon depends on the as compared to the sun.
lighted part that we see from the earth. e 2. A car moving at 96 km/h would take

shape and size of the moon decrease for about 5.5 months to reach the moon

14 consecutive days. When the moon is not from the earth.

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