PLANET ROTATION

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Change of day and night

The change of day and night is something we are used to (from birth). Many people in the world believe that with the movement of the Sun comes the day, and with the departure of the Sun beyond the horizon – comes the night. However, the change of day and night is directly related to the speed of turning of the planet Earth – in relation to the Sun. This means that the rotation of the planet brings a sunny day or a dark night. Except on Earth, it is the same on all other planets of the solar system. The speed of the planet’s turning determines the length of day and night. The planets of our solar system (but also exoplanets) have different speeds of rotation, so their days last longer or shorter, and so do the nights.

Planetary rotation

People on Earth are used to one rotation of our planet lasting 24 hours. Exactly 23 hours and 56 minutes. The planet Mars has a similar speed of rotation. The rotation speed of the red planet is 24 hours and 36 minutes. However, some speeds are very high and some very slow. Examples of this are the planets Neptune and Venus. Neptune rotates very quickly at 16 hours, while on Venus (with a slow of 243 days and 26 minutes) are the longest days and longest nights.

 

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