Planum (plateau or high plain)(glossary entry; plural Plana)
A Latin prefix theoretically available for use in forming IAU-approved names for lunar features.
- According to IAU Transactions XVIB (p. 330, Items 5 & 6), this name can be considered for use on a case-by-case basis.
- In practice it has never been used on the Moon.
- See also: Planitia