Key Terms
- highlands
- the lighter, heavily cratered regions of the Moon, which are generally several kilometers higher than the maria
- mare
- (plural: maria) Latin for “sea;” the name applied to the dark, relatively smooth features that cover 17% of the Moon’s surface
This book was adapted from the following: Fraknoi, A., Morrison, D., & Wolff, S. C. (2016). Key Terms. In Astronomy. OpenStax. https://openstax.org/books/astronomy/pages/9-key-terms under a Creative Commons Attribution License 4.0
Access the entire book for free at https://openstax.org/books/astronomy/pages/1-introduction