Temperature Variations and Lunar Exploration
Researchers from Physical Research Laboratory (PRL) in Ahmedabad have provided new insights into lunar temperatures using data from Chandrayaan-3's Vikram lander.
Understanding lunar surface temperatures is crucial for astronaut safety and resource availability (water ice).
The study measured temperatures at the moon's south pole region (Shiv Shakti point) up to 10 cm below the surface.
The research used the ChaSTE instrument, which employs RTD sensors to measure temperature.
The study revealed significant temperature variations, with peak surface temperatures reaching 82°C and dropping to -181°C at night.
This information will help with planning long term habitation on the moon.
Water Ice Distribution and Accessibility
The study found that water ice can exist in stable conditions at certain high-latitude locations, not just the poles.
This increases the areas on the moon where water ice can be accessed, making future exploration and habitation easier.
The team’s model shows that slopes facing away from the sun with a tilt of over 14° can maintain temperatures suitable for water ice.
The research showed that temperatures vary greatly even within very short distances on the moons surface.
Significance of the Findings
This is the first in-situ measurement of temperatures at a high-latitude region on the moon.
The findings challenge previous assumptions about water ice distribution, suggesting it's more widespread.
High-latitude regions are less technically challenging to explore than the poles, making them more accessible.
The team is further studying the lunar surface's thermophysical properties to model water ice migration and stability.
The data collected from the lander provided ground truth that differed from previous orbital data.
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