A vibrant, cosmic heart with radiant energy and star-like particles.

Beneath the vast expanse of a cosmic night sky, a heart-shaped portal of light beckons, a vibrant spectacle of cosmic energy. The heart, a symphony of colors, radiates from its center, a brilliant white light that gradually transitions into a spectrum of pink, red, and purple hues, reminiscent of a nebula's ethereal glow. The left side of the heart is bathed in fiery reds and pinks, while the right side is adorned with cool blues and purples, creating a striking contrast that draws the eye inward. Radiating from the heart are streaks of light, resembling cosmic rays or the tendrils of a galaxy, extending outward in all directions. These rays are a mix of vibrant reds and blues, adding to the dynamic and energetic feel of the scene. The background is a deep, dark canvas, speckled with tiny stars and distant galaxies, enhancing the sense of depth and vastness. The overall mood of the image is one of wonder and mystery, inviting the viewer to explore the depths of this celestial heart. It's a visual representation of love, unity, and the infinite beauty of the universe, perfect for themes of romance, spirituality, and the cosmos.