Over decades, scientists try to understand why some moon stones are strong enough when the moon does not have a magnetic field today.
Stones carried by stones on the ground during NASA Apollo The missions in the 1960s and ’70s, as well as data from the orbit of the spacecraft, shown the lunar surface parts – especially at Farside impressive magnetic signature. New computer simulations suggest a large impact of asteroid resulting in billions years ago may have eases the moonAncient, weak magnetic field, leaving a magnetic imprint that still appears in lunar stones.
“The majority of the strong magnetic fields that are measured by orbitaling spacecraft can be explained by this process, especially on the far side of the moon,” Isaac Narrett, a graduate student in the Massachusetts Institute of Technology’s Department of Earth, Atmospheric and Planetary Sciences, who led the new Study, said in a statement.
While the month ago there was a weak magnetic field made with a small molten core, the team’s research suggests that it would not have been strong enough to obtain magnetize stones. However, a large impact of asteroids may have changed – at least briefly.
Narrett’s simulations and his team appeared to be a powerful effect, perhaps the one who made the massive vabrium material in the moon with a cloud full of particles known to be plasma. While plasma surrounds the moon, most of which concentrate on the opposite side of the effect, temporarily extends the magnetic field in that region. The rocks in the area may have obtained this easy magnetic flow before the field disappears, according to the new study.
Knowing suggests that the impact has caused seismic shockwaves that roasts the moon and meets the far side. These waves are likely to “interrupt” electrons with adjacent stones such as magnetic fields looking – effective field orientation locking like a geological snapshot.
Researchers estimate the entire order playing at an hour, but is likely to be left in a magnetic signature still appearing today.
“You seem to throw a 52-card deck in the air, in a magnetic field, and each card has a compass benjamin Weiss,” a professor of world science and ploessary sciences at the MIT, as the statement. “When the cards reset the ground, they make it to a new orientation – that’s the important process of magnetization.”
Incoming missions can be placed in the test team theory. The most powerful magnetized stones lie near the South Pole of the Moon, at Farside – an area of many International missionations, including NASA’s Artemis Programplan to explore the coming years. If stones show signs of both shock and ancient magnetism, it can be confirmed that magnetic anomalies of the moon is due to a large asteroid effect.
“There are many parts of the magnetism of the lunar who have not been displayed,” Narrett said.
The study is contamination On Friday (May 23) in Journal Science Advanes
