Question

What movements does the Earth make? Explain each movement and what it causes.
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Answer 1

Respuesta:

The earth has 4 movements which is rotation, translation, precession and nutation

Explicación:

Rotation: Rotation is a movement carried out by the

Earth on itself along an axis

called Terrestrial Axis.

The Earth makes a complete turn on itself

axis in approximately every 24 hours, bone

every 23h 56m 3.5s. This movement originates the days and nights in

every continent

Translation: Translation is the movement of the Earth around the Sun and takes 365 days, 5 hours and 49 minutes (one year) describing an elliptical orbit, at a speed of 29.5 km / s.

Precession: Precession is the change in direction of the axis around which an object rotates. An example of this movement is that performed by a "top" when rotating when its axis of rotation is not vertical.

The axis of the Earth makes this movement in a counterclockwise direction. This balancing produces that the terrestrial axis draws a cone of 47 ° of opening and with vertex in the center of the Earth.

A complete round of precession lasts approximately 25,800 years.

Nutation: It is the periodic oscillation of the Earth's axis around its average position in the celestial sphere, due to the influence of the Moon on our planet, similar to the movement of the top when it loses strength and is about to fall.

In the case of the Earth, the nutation is superimposed on the precessing motion, so that they are not regular, but a little wavy. Nutation causes the Earth's poles to shift from their original position every 18.6 years.

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