Related to day and night processes
illustration of planet earth and other planets (jpl.nasa.gov/NASA/JPL-Caltech)
Countries in various parts of the world do not experience day and night simultaneously. Therefore, there are parts on earth that are light and dark.
This time difference finally sparked curiosity. Why are there areas on earth that are dark?
This phenomenon does not just happen, especially without reason. The dark part of the earth is experiencing night time. Well, the process of the occurrence of this night that affects the dark part of the earth.
So, how is the process of night so that it makes part of the earth dark? Check out the explanation below, come on!
Also Read: 7 Appearances of the Sun from Earth’s Neighboring Planets, Are They the Same?
Earth’s rotation causes the process of day and night
Part of the earth will be dark at nightfall. Meanwhile, the earth will be bright during the day.
Night occurs because the sun does not illuminate the earth. Conversely, daylight can occur because the earth gets exposure to sunlight.
Please note, planet Earth is not surrounded by the sun. However, the earth and other planets that surround the sun are the center of the solar system. So, how is it possible for the earth to experience light and dark if the earth revolves around the sun?
So, day and night can occur because the earth rotates on its axis. This phenomenon is called the earth’s rotation or rotation of the earth.
The earth rotates quickly so that we who are on earth do not feel the rotation. In one rotation, the earth takes 24 hours to rotate. For that, one day is 24 hours.
This rotation causes the parts of the earth to alternately point towards and away from the sun. The part of the earth that is away from the sun will experience night. It is marked by sunset
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When the earth is facing the sun, then that part of the earth experiences daylight. That is the reason why there are areas on earth that are dark.
Hence, it is not strange if some countries experience night. Meanwhile, some countries are still daytime.
Also Read: The Earth’s Core Rotates Reversely, What Effects Does It Have on Humans?
