Chinese and American researchers have discovered that the far side of the Moon (the side not visible from Earth) had volcanic eruptions billions of years ago. The researchers came to this conclusion by analyzing rock fragments collected by the Chinese lunar probe Chang'e-6. Studies have been published in Nature and Science journals.
Scientists already knew that there are volcanoes on the side of the moon seen from Earth. But the other side of the moon, which is not visible from Earth, was a dark area when observed from here, so its information remained secret. China's lunar probe, Chang'e-6, has found revealing evidence of these.
China's Chang'e-6 lunar probe collected dust and rock fragments from the far side of the moon during its two-month mission. These included rock fragments formed after volcanic eruptions. Researchers at the Chinese Academy of Sciences analyzed these using radiometric dating technology to determine the age of the post-eruption rock. According to researchers, volcanic eruptions took place on the Moon not only 4.2 billion years ago, but also 2.83 billion years ago.
In 1959, the Soviet Union's Luna 3 captured the far side of the Moon for the first time in history. After this, pictures and videos of the far side of the moon have been released several times. Earlier this year, China deployed a small rover during the Chang'e-6 mission to take selfies of the lander as it landed on distant cliffs.