A team of Indian researchers has prepared the first detailed geological map of the south polar region of the moon using data from Chandrayaan-3. This study can prove to be important for future lunar exploration and missions.
Key findings of the first detailed map of the south pole of the moon
First high-resolution map
- PRL Ahmedabad, Punjab University and ISRO prepared this map from data from Chandrayaan-3’s Pragyan rover.
- Provides new information on the formation and evolution of the moon.
Confirmation of magma ocean
- Pragyan’s alpha particle X-ray spectrometer detected molten rock below the surface.
- This confirms a global magma ocean in the early history of the moon.
Age and crater mapping
- The age of the landing site was estimated to be 3.7 billion years, which is similar to the early evolution of the Earth.
- Schomberger crater is considered to be the main source of impact debris.
Importance for lunar and planetary studies
- Preserved craters help in understanding the history of asteroid impacts in the solar system.
- It provides important insights on the formation of the Earth–Moon system.
Impact cratering on the Moon and its importance
Importance of impact cratering
- Craters on the Moon act like time capsules, preserving a record of the formation of the solar system.
- Craters on Earth are quickly damaged by climate and geological activities, but those on the Moon are preserved for millions of years.
- This helps scientists to study the geological features and age of other planets.
Concerns about pollution on the Moon
- With increasing exploration on the Moon, the risk of pollution is also increasing.
- Debris left by previous missions can affect scientific research.
- Gases from the lander could contaminate the Moon’s icy layers, causing data on lunar water distribution to be inaccurate.
Need for international rules
- The 1967 Outer Space Treaty has no clear guidelines on lunar pollution.
- Considering future human colonisation of the Moon, an international legal framework is needed.
- This framework will balance appropriate use and exploration of resources while preserving the Moon’s natural environment.