Page 22 - Geography for Secondary Schools Student’s Book Form One

Geography for Secondary Schools
Student’s Book Form One
(i) Sunrise and sunset will eventually come back to the point

The Sun rises and sets at different times in of origin. This concept was proved by the
different places of the Earth. People in the first navigator Ferdinand Magellan who
East see the sun earlier than those in the sailed around the world from 1519 to 1522.
West due the spinning of the Earth on its Magellan in his voyage did not encounter
own axis from West to East (Figure 2.4 a). If any abrupt edge on earth’s surface over
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the Earth was flat, the whole world would which he would fall. This journey around
have sunrise and sunset at the same time the earth is called circumnavigation of the
(Figure 2.4 b). Earth (Figure 2.5).

sun

Figure 2.5: Circumnavigation of the Earth
sun
(iii) Aerial photograph of the Earth
Several vertical photographs taken from an
airplane or images captured by artificial
satellites from great heights show that the
Earth is curved (Figure 2.6).

Figure 2.4 (a and b): Sunrises on the
spherical and flat Earth Figure 2.6: An aerial photograph of the
Earth
(ii) Circumnavigation of the Earth Source: https://fineartamerica.com/

If you travel from a certain point on the Earth featured/earth-from-space-africa-view-
by going in a straight line around it, you johan-swanepoel.html

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