Ultra-detailed futuristic alien spaceship with a sleek, triangular design. The ship’s surface is smooth and metallic, glowing with a soft blueish hue that pulses with energy. Intricate alien symbols are etched into its exterior, hinting at its ancient origins. The ship's edges are sharp and angular, with a luminescent core at the center. It exudes an aura of mystery, as if it’s a vessel from a long-lost civilization, carrying the knowledge and power of an ancient traveler through the cosmos.