A vast, glowing, layered spherical boundary representing the transition from the lower mantle to the outer core. A subtle, downward-pulling visual perspective that draws the viewer's eye into the blazing planetary depths. Composition: medium shot, high-angle perspective looking down, featuring Centered floating planetary globe with generous negative space on all four sides, placed safely inside canvas with clear margins. Scientific details: Concentric thermal gradients, fluid dynamics of outer core liquid iron, silicate mantle rock textures. Color palette: deep amber, molten orange, charcoal gray, crisp white. The complete visual composition must sit comfortably inside the canvas with generous clean white/off-white negative space visible on the left, right, top, and bottom. Keep all important objects fully inside the safe frame. Nothing important may touch or cross any edge of the image. Do not crop the primary subject. Do not use edge-to-edge artwork. Do not fill the entire frame with background scenery. hand-drawn 2D explainer cartoon illustration, thick clean black outlines, simplified readable forms, flat cel-style colors, soft minimal shading, clean educational YouTube illustration, clear focal hierarchy, no photorealism, no 3D rendering, no typography, no text, no watermarks
