Scientists originally thought a similar process may have generated an early lunarmagneticfield.
科学家原本认为，早起的月球磁场是由一个相似的过程引起的。
2
Now, two new studies published in the journal Nature have come up with possible explanations for a magneticlunarfield.
现在，《自然》杂志上刊登了两篇新研究提供了关于月球地磁场的可能原因。
3
Lunar rock samples brought back by the Apollo astronauts provided evidence of an ancient magneticfield on the Moon about 100 times weaker than the Earth's magnetic field.