Recently, astronomers from the University of London, in England, stated that the Moon has a direct impact on terrestrial life due to a subtle gravitational relationship with the Earth. The star is making the days around here longer. Furthermore, research estimates that 4.5 billion years ago, days were only 13 hours long! Bizarre, isn't it?!
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According to Space Place, NASA, the turn that our planet makes on its own axis is known as a solar day.
Thus, depending on the gravitational relationship that the planets have with the Sun and its natural satellites, the solar day of each one has a different duration.
Richard Gray, a science journalist for the BBC, said that the gravitational relationship that the Earth has with the Moon also conditions the movement of high and low tides.
"These tides, in fact, are 'bulges' of water that extend in an elliptical fashion both towards and away from the Moon's gravity," said the journalist.
The Moon exerts a gravitational pull on Earth, pulling water from the oceans towards itself. This pull causes a bulge of water on the part of the Earth facing the Moon, forming high tide.
In other words, the Moon's gravitational pull pulls Earth's water toward the Moon, causing the water to rise in some places (high tide) and sink in others (low tide) in a daily cycle.
The fact that the Earth spins much faster on its own axis than the Moon does creates quite a bit of friction in the ocean basins, which move beneath the surface.
In this way, when the Earth is moving a little faster than the Moon in its orbit, it tries to compensate for this difference.
This situation depletes Earth's rotational energy, slowing the speed at which the planet rotates on its own axis. That is, the Moon makes the days longer.
However, the research highlights that the Earth's "braking" is imperceptible to living beings, so we will continue to live with 24-hour days.
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