A captivating thumbnail featuring a close-up of a person's face with their third

A captivating thumbnail featuring a close-up of a person's face with their third eye glowing brightly in the center of their forehead. The glow should be a radiant mix of cosmic colors, such as deep blues, purples, and shimmering gold, creating an aura of mystical illumination. The background should be a striking, dark cosmic expanse filled with stars, planets, and nebulae, adding a sense of depth and intrigue. The person should have a serene, enlightened expression, emphasizing the theme of unlocking hidden truths and spiritual illumination. Bold, eye-catching text overlay at the top or bottom should read: "Unlocking the Third Eye: The Hidden Truth" in a contrasting color for maximum visibility. --ar 16:9