Extreme heat from the sun is baking a thin crust on Mercury’s surface

Mercury’s surface should be powdery like Earth’s moon, but the extreme heat it experiences from being close to the sun may be baking it into a thin, hard crust

Source:
https://www.newscientist.com/article/2250075-extreme-heat-from-the-sun-is-baking-a-thin-crust-on-mercurys-surface/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home