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Nu.nl tech Wetenschap 14 September 2026

Mercury is Shrinking Faster Than Previously Thought

Mercury is Shrinking Faster Than Previously Thought

Recent research published in Geophysical Research Letters indicates that Mercury, the smallest planet in our solar system, may be shrinking faster than previously assumed. This discovery stems from new observations of the planet's rugged surface, suggesting that the rate of shrinkage may have been underestimated. The findings surprise scientists, who have always thought that the shrinkage would occur much more slowly.

During their study, scientists examined the diameter of Mercury and noted that the planet has been shrinking for over four billion years. Until this research, it was believed that the shrinkage occurred gradually. However, with the new data, the rate will be revised and analyzed.

The scientists compare the shrinkage of Mercury to a grape shrinking into a raisin. This image emphasizes the seriousness of the shrinkage, indicating that there may be more going on with the planet's internal structure than previously thought. The discovery may also have implications for our understanding of planets in similar conditions and offers opportunities for further research.

The research shows that we still have much to learn about Mercury and that the planet is not as static as long assumed. These discoveries may not only answer important questions about the planet itself but also provide valuable insights into the geology of other celestial bodies in our solar system.

Read the full article from Nu.nl tech Science.