A transparent cube with swirling patterns and glowing elements inside, set against a dark background.

In the heart of a dark, star-studded expanse, a mesmerizing glass cube stands as a beacon of light and mystery. This transparent cube, with its edges sharply defined against the cosmic backdrop, exudes an ethereal glow that seems to emanate from within. The interior of the cube is a labyrinth of swirling, luminous patterns that resemble cosmic dust clouds or the intricate tendrils of a nebula. These patterns are illuminated by a central, radiant light source, creating a dynamic interplay of light and shadow that draws the eye deeper into the cube's mysterious depths. The surface of the cube is adorned with delicate, spiderweb-like structures that add a touch of organic complexity to the otherwise geometric form. These delicate lines seem to dance and shimmer, reflecting the light and adding a sense of movement to the still image. The cube rests on a reflective surface, which mirrors its ethereal beauty and amplifies the sense of depth and dimension. The overall atmosphere is one of wonder and intrigue, inviting the viewer to ponder the mysteries contained within this glowing, glassy prison of light.