Petrascope YouTube profile picture, ancient Petra temple carved into sandstone cliffs, centered composition, warm cinematic lighting, realistic sandstone texture, golden and orange tones, clear and recognizable subject, mystical cosmic sky in background, visible planets and moons, subtle nebula clouds, stars and ancient mystery atmosphere, glowing celestial light behind Petra, epic documentary style, photorealistic, symmetrical circular logo composition, high contrast without excessive darkness, minimal but iconic details for small-size visibility, ultra sharp focus, premium mystery and history channel branding, no text, no watermark, no blur, no extra people, designed for YouTube avatar, 1:1 aspect ratio, ultra detailed, 8k