Have you ever been on the beach, watching the sea water rush to the shore little by little, and then slowly recede and wonder?
First of all, we have to understand that the sea is notNot an isolated existence, but andMoonThe sunand other celestial bodies have a close connection.
These celestial bodies are also an important phenomenonGravitational pullRelate.
Although the Earth is large, the water on Earth is also affected by the gravitational pull of the Moon and the Sun.
The Moon's gravitational pull has the most significant effect on seawater.
The ancients discovered early on that tidal phenomena were related to the phases of the moon, but they could not explain it.
Now we know that although the Moon is much smaller than the Earth, its gravitational pull is noticeable to the seawater on the Earth's surface because it is so close to the EarthPulling action
It's like you're lifting it up from the middle of a sheet of plastic film. It will form a tent-like shape.
Earth-Moon gravity is the hand, and the place where it is lifted isOrgasmThe place that was not brought up became because of the transfer of seawaterLow tide
It is worth mentioning that the moon is only an important factor in the action of tides.
ActuallyThe gravitational pull of the sun, the motion of the earth itselfThe effect is also not negligible, so the location of the highest tide does not always coincide with the direction of the Moon's gravitational pull, and sometimes the side facing away from the Moon also has a high tide, which we call itSolar tides
So, the ebb and flow of the sea, in factThe result of the combined action of the moon, the sun, and the earth。But we look like the sea is breathing, rising and falling in rhythm.
In addition, we need to know that:
It will followChanges in the phases of the moonThe change of seasonsGeographical locationAnd there is a change.
For example, during a full moon or new moon, the gravitational pull of the Moon and the Sun is superimposed, making the tidal phenomenon more pronounced. In the waters near the equator, tidal phenomena may weaken due to the influence of the Earth's rotation.
Have you ever seen the ebb and flow of the tide? How big is the biggest tide you've ever seen?