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Study Finds Moon's Far Side May Be Colder than Near Side

Analysis of 2.8-billion-year-old lunar samples shows the far side's crust is about 20 kilometers thicker and its interior roughly 100°C cooler than the near side.

  • In May 2024, China's Chang'e 6 spacecraft collected rock and soil samples from a large crater on the Moon's far side for analysis.
  • The mission aimed to test the hypothesis that the far side's interior is cooler than the near side due to fewer heat-producing elements.
  • A study published in Nature Geoscience found the 2.8 billion-year-old rock formed at about 1,100°C, roughly 100°C cooler than near-side samples.
  • Researchers including Professors Yang Li and Xuelin Zhu said this supports the 'two-faced Moon' theory that interior differences extend deep beneath the surface.
  • The findings provide the first direct evidence of internal temperature contrasts and prompt further research on the Moon's formation and evolution.
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Far side of the moon literally cooler than the side we can see

The interior of the mysterious far side of the satellite could be chillier than the side constantly facing Earth, according to an analysis.

·Calhoun, United States
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Phys.org broke the news in United Kingdom on Tuesday, September 30, 2025.
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