1) Impact crater on Mars 
[crater] Rahe is a crater on the planet Mars in the Tharsis quadrangle, positioned at 25.05° north latitude and 262.52° east longitude, between the volcanoes Ceraunius Tholus and Uranius Tholus. It is named after Jurgen H. Rahe, a German-American astronomer and NASA science program director. The crater has an elongated shape measuring 35 ...
Type: Term Pronunciation: rā′uh Definitions: 1. Richard H., 20th-century U.S. psychiatrist.