'4,200,000,000 years ago': China's Chang'e 6 mission analysis confirms ancient volcanic activity on the Moon

Produced by: Tarun Mishra Designed by: Manoj Kumar

Historic Lunar Sample Analysis

China’s Chang’e-6 mission has provided the first-ever soil samples from the Moon’s far side. Scientists analyzing the material confirmed volcanic activity occurred on the far side billions of years ago, with fragments dating back 2.8 to 4.2 billion years.

Significance of the Far Side Sample

Christopher Hamilton, a planetary volcano expert at the University of Arizona, emphasized the importance of these samples, which fill a data gap for a region of the Moon largely unexplored.

Comparison to the Near Side

Previous research established volcanic activity on the Moon’s near side, visible from Earth, during a similar timeframe. These new findings confirm volcanic history on the less-explored far side, which has fewer lava plains and more craters.

 Representative Pic

Supporting Previous Observations

Data from earlier missions, including NASA’s Lunar Reconnaissance Orbiter, suggested a volcanic past on the far side. This is the first physical evidence to validate those findings.

Credit : NASA

Advancements in Lunar Research

The Chang’e-6 spacecraft builds on China’s lunar exploration program, which includes Chang’e-4, the first mission to land on the Moon’s far side in 2019, and Chang’e-5, which returned samples from the near side in 2020.

Mystery of Lunar Asymmetry

The Moon’s far side has a starkly different topography from the near side, with its cratered surface contrasting with the flat plains formed by lava flows on the near side. Scientists continue to investigate the cause of this difference.

Published Findings

The results of the study were published in the journals Nature and Science, marking a milestone in understanding the Moon’s geological history and its billion-year-long volcanic activity.

Implications for Lunar Science

These findings shed light on the Moon’s evolution and offer clues to its volcanic processes, enriching knowledge crucial for future lunar exploration missions.