Create a stunning oil painting that captures the essence of space, featuring a rich cosmic landscape filled with celestial bodies like twinkling stars, colorful planets with intricate textures, and swirling galaxies in vibrant shades of purple, blue, and gold. Use blending techniques to create smooth transitions between colors, highlighting the shimmer on the surfaces. In the center of the painting, include a colossal black hole, with tendrils of light and cosmic dust spiraling into its depths. Employ layering techniques to add depth and create a striking contrast between the black hole and the enchanting background. Surround the black hole with glowing nebulae, using soft brushes to create clouds of gas and dust in hues of pink and green, adding a sense of movement and life to the scene. Incorporate distant star clusters that sparkle like diamonds, and integrate ethereal beams of light piercing through the darkness, illuminating parts of the landscape and casting mysterious shadows. Blend in fantastical elements like a shimmering asteroid belt and a pulsating supernova, with an emphasis on texture and layers of paint to enhance the sense of wonder. The overall composition should convey feelings of mystery and discovery, inviting viewers to ponder the unknown secrets of the universe. Use sharp contrasts between the deep black and the vibrant colors and textures of the celestial wonders to give the painting a sense of power and grandeur.