Yellowknife Bay, Mars created by the presence of liquid water, suggesting the presence of an ancient lake which could have sustained microbial life. The geologic depression takes its name from the city Yellowknife, capital of the Canadian Northwest Territories, in honor of the 4 billion year old rock in the region surrounding the city, which matches the approximate age of the uncovered rock in Gale Crater. Yellowknife Bay is a 5-meter geologic depression located in the large impact crater known as Gale Crater. The Crater is located on Mars near the northwestern part of the Aeolis quadrangle just south of the planet's equator.
Coat of arms of Yellowknife Coat of arms of Yellowknife The coat of arms of Yellowknife is the full armorial achievement as used by the municipal government as an official symbol. The government of Yellowknife utilizes multiple versions of the coat of arms for various applications. In the 1950s Yellowknife held a competition to design a coat of arms which was won by Netta Pringle who had lived in Yellowknife during 1954 and 1955. The coat of arms consists of a mine headframe, flanked by a miners' pick and shovel and a maple leaf, with the northern lights above. Above the shield is a half-midnight