Question: A new class of Martian impact craters have been discovered, by Northern Arizona University scientists from which public, co-educational college and university? 
Sentence (from "University of Hawaii"): The University of Hawaiʻi system (formally the University of Hawaiʻi and popularly known as U.H.) is a public, co-educational college and university system that confers associate, bachelor's, master's, and doctoral degrees through three university campuses, seven community college campuses, an employment training center, three university centers, four education centers and various other research facilities distributed across six islands throughout the State of Hawaii in the United States.
Relevant evidence: Yes