Page 101 - The Glory in the Heavens

We always see the same side of the Moon since it

rotates both around itself and around the Earth every

twenty-nine days. Since the period of rotation in both

cases is the same, we always see the same face of the

Moon.

When we look at the sky at night, the moon 99

sometimes appears as a circle and sometimes as a
semicircle. As the Moon

rotates around Earth, its

illuminated face takes

different shapes.

Earth and the

Moon attract one anoth-

There are also deep craters
on Earth's surface. Having
no atmosphere like Earth,
the Moon is constantly
struck by meteors.