Under the largest crater on the moon, astronomers have discovered a massive, dense structure

(ORDO NEWS) — Astronomers have discovered a strange huge structure under the largest crater in the solar system. This is the Aitken Basin at the South Pole of the Moon.

Astronomers say the mysterious mass may well contain metal fragments from an asteroid that crashed into the moon and formed a crater.

“Imagine taking a pile of metal five times the size of the Big Island of Hawaii and burying it underground.

That’s about the mass we found,” said lead author Peter B. James, Ph.D., assistant professor of planetary geophysics at Baylor College of Arts and Sciences.

The crater, located on the far side of the Moon, is an oval region about 2,000 kilometers wide. Scientists have taken measurements for many years and have come to the conclusion that the depth of the area is several miles.

Under the largest crater on the moon astronomers have discovered a massive dense structure 2

The new anomalous mass under the crater is detailed in the study “Deep Structure of the Lunar South Pole-Aitken Basin” published in the journal Geophysical Research Letters.

To detect the anomaly, astronomers analyzed data from NASA’s Grail mission, which allowed them to accurately measure changes in gravity around the Moon.

“When we combined this with lunar topography data from the orbiter, we unexpectedly found a large amount of mass hundreds of miles below the South Pole – the Aitken Basin,” James said.

“One explanation for this extra mass is that the metal from the asteroid that formed this crater is embedded in the Moon’s mantle.”

Studies have shown that a dense mass of structure – “whatever it is, wherever it comes from” – makes up the entire bottom of the pool and extends down more than half a mile.

Using computer simulations of asteroid impacts on the Moon, the team of researchers found that, under the right conditions, iron-nickel asteroid cores could be dispersed into the Moon’s upper mantle during impacts.

“We did the math and figured out that a fairly scattered core of an asteroid that made the impact could remain suspended in the Moon’s mantle rather than descend into the Moon’s core,” James explained.

In addition to asteroid impacts, astronomers say that the origin of the mysterious structure may be due to the concentration of very dense oxides left there during the last phases of the solidification of the lunar magma ocean.


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