Mars Express has revealed the dynamic landscape of Mars, showcasing both rugged terrain and smoother, younger plains on the ...

It explains the Moon's surface features, including the smooth Maria and the rough highlands, and the differences in rock composition between these areas. The film also details the analysis of ...

They would also try to find out how hard the rock is and whether it is rough or smooth and shiny or dull. All these words describing what the rock is like are called the “properties” or ...