Dorsum Heim is a wrinkle ridge at in Mare Imbrium on the

Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

. It is 148 km long and was named after Swiss geologist Albert Heim in 1976.

References

{{DEFAULTSORT:Heim Dorsum Ridges on the Moon Mare Imbrium