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Dorsa Rubey on the Moon is a significant geological feature, recognized as a wrinkle ridge system located at 10°00′S 42°00′W in Oceanus Procellarum. It stretches approximately 100 km in length and is a prominent example of the Moon's tectonic activity. The feature is named after William Walden Rubey, an American geologist who contributed to the understanding of the Moon's geology. Dorsa Rubey, along with other lunar dorsa, are the result of the contraction of the maria, which are vast, dark, basaltic plains that formed from ancient volcanic eruptions. These wrinkle ridges provide valuable insights into the Moon's early geological processes and evolution. The image of Dorsa Rubey here illustrates its distinct appearance on the lunar surface.