Create an image of a surreal robot roaming through a vast, star-filled galaxy, with its metallic body reflecting the colors of distant nebulae as it explores uncharted planets and encounters otherworldly beings.

Construct a surreal scene of a metallic robot making its way through an immense galaxy filled with myriads of stars. The robot's body, full of reflections from the vibrant colours emanating from far-off nebulae, is an explorer of uncharted celestial bodies. It stumbles upon strange alien life forms as it embarks on its endless journey across the stellar expanse.