sci-universe: One of the nicknames given to Mars by the ancient Egyptians was sekded-ef em khetkhet, which means “who travels backwards,” a clear reference to its apparent retrograde motion. It was mysterious to the early observers, but with our
sci-universe: One of the nicknames given to Mars by the ancient Egyptians was sekded-ef em khetkhet, which means “who travels backwards,” a clear reference to its apparent retrograde motion. It was mysterious to the early observers, but with our
sci-universe: One of the nicknames given to Mars by the ancient Egyptians was sekded-ef em khetkhet, which means “who travels backwards,” a clear reference to its apparent retrograde motion. It was mysterious to the early observers, but with our
sci-universe: One of the nicknames given to Mars by the ancient Egyptians was sekded-ef em khetkhet, which means “who travels backwards,” a clear reference to its apparent retrograde motion. It was mysterious to the early observers, but with our
