Why will the Earth move slower this Friday, July 5, and what is “aphelion”?

Why will the Earth move slower this Friday, July 5, and what is “aphelion”?
Why will the Earth move slower this Friday, July 5, and what is “aphelion”?

Tomorrow Friday, July 5th, the Tierra with will move slower than normal. This astronomical phenomenon, known as aphelion, occurs when our planet reaches the furthest point in its orbit around the Sun. Why does this happen and what effects does it have? Read on to find out.

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Why will the Earth move slower this Friday, July 5?

On July 5th, the Tierra will be at its furthest point from the Sol in its annual orbit, a phenomenon called afelio. According to the Institute of Astrophysics of the Canary Islands, this event is due to the shape elliptical orbit of the Earth, formulated by the German astronomer Johannes Kepler, a contemporary of Galileo Galilei.

The Earth orbits the Sun in a period of approximately 365 days. This orbit is not a perfect circle, but an ellipse. Because of this elliptical shape, there are times of the year when the Earth is closer to the Sun (perihelion) and others in which it is farthest away (aphelion).

Will there be any impacts at the 2024 aphelion?

This Friday, July 5th, the Tierra It will move at just over 29 km/s, approximately 1 km/s less than it moved on January 3 during the perihelionThis difference in speed means that it will take the Earth a little longer to complete its orbit.

A curious effect of this difference in speed is that summer in the northern hemisphere has five more days than winter. This imbalance is a direct consequence of the elliptical orbit and the variation in orbital speed.

What is the scientific explanation for the Earth moving slower this Friday?

The Newton’s Law of Universal Gravitation and Kepler’s Second Law explains that when the Earth is farther from the Sun (aphelion), its orbital speed is slightly lower compared to when it is closer to the Sun (perihelion). This variation in orbital speed can also slightly influence the Earth’s rotation speed. However, these changes are minuscule and are usually not noticeable in everyday life.

On July 5, 2024, the Earth will be at its farthest point from the Sun, which will result in a slight slowdown in its orbital motion. Although this change is extremely small and does not significantly affect our daily activities, it is a reminder of the intricate cosmic dance our planet performs on its annual journey around the Sun.

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