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Analysis of lunar rocks showed that Hang’s house once emitted a magnetic field, and thanks to it, life on Earth appeared

The Earth’s magnetic field.

Most likely, the Moon’s magnetic field protected the Earth 4 billion years ago from a much stronger Sun than it is today. Although the Moon of today does not have a magnetic field, rock samples dating from 3.4 to 4.2 billion years ago taken from the Apollo missions tell other stories.

Evidence on rock samples shows that when the distance between the Moon and the Earth was only half the current, the Moon possessed a strong magnetic field similar to today’s Earth.

When researcher James Green and colleagues used this information to model the interactions between the magnetic fields of the two celestial bodies, they discovered that the magnetic fields of the Earth and the Moon fused into one magnetosphere. protect two celestial bodies from solar radiation. The team thinks that the magnetosphere has been active for hundreds of millions of years, then fades as the Moon flies more and more away from Earth and the core of the Moon cools.

The existence of this magnetosphere will be the answer to a number of questions surrounding a young Earth. Scientists believe that the Sun used to have a strong influence on the surrounding celestial body during its infancy, emitting more than 100 times the amount of solar particles currently measured. If so, the radiation from the Sun would purge the Earth’s atmosphere and prevent life from sprouting.

But apparently life still exists up to now. Green experts think we can sit here today thanks to the Moon’s magnetic field.

To know whether this is true or not, scientists will need rock samples taken from the two poles of the Moon. At these points, matter particles from the Earth’s atmosphere (eg nitro) will be able to fly through the Moon’s magnetic field to land on the surface. If they do, we will discover their existence on the Moon today.

If we can confirm the accuracy of the lunar magnetic model, we will have other ways of determining life outside the Solar System. “We’ll keep an eye on exoplanets whose moons are orbiting them. If the moon were large, they would most likely produce similar protective effects [như Mặt Trăng và Trái Đất]“, Said Green expert.

Consult New Scientist

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