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Why are the two "faces" of the Moon so different?

2022-05-01 23:53:52Lifestyle SHKRUAR NGA REDAKSIA VOX

Why are the two "faces" of the Moon so different?

A study explains why the face of the Moon that hides from our view has such a different appearance compared to what it looks like from Earth

Even if we never see the hidden "face" of the Moon from Earth, we know how it is thanks to the numerous probes that have flown over it and photographed it in detail, writes the Italian magazine Focus.

Ever since they had these images, geologists and planetologists have always wondered why the two sides of the Moon are so different.

The difference is not only morphological (i.e. more or less craters), but also in composition.

Her "face" in front of us, for example, has an abnormal concentration of elements rich in potassium, rare earths and phosphorus.

To the legitimate question of what was the probable cause of these differences, various answers have been given so far.

According to a study by Brown University, Purdue University, Arizona Lunar and Planetary Science Laboratory, Stanford University and NASA's Jet Propulsion Laboratory, the deep differences between the two "faces" of the Moon will be attributed to a colossal influence that touched its south pole about four billion years ago.

The collision gave birth to the giant "South Pole-Aitken Basin", which is located on the far side of the moon.

But why is there a high concentration of potassium, rare earths and phosphorus always near the side in front of us?

This would be due to the fact that these elements bind very strongly to other chemical elements and therefore they are the last to crystallize bringing abnormal concentrations compared to those found in other volcanic rocks.


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