Dao Vallis (Mars)

Word for "star" in Thai.

Dao Vallis is a valley on Mars that appears to have been carved by water. It and its tributary, Niger Vallis, extend for about 1,200 km In the fictional 2007 Canadian miniseries Race to Mars, it is the landing site for Gagarin, the lander. (wikipedia entry)

A vallis is a valley. On Mars large valles are named after words for Mars/star in various languages. Small valles are named after classical or modern names of rivers.