Flat universe — Free Astrophysics Illustration

Astrophysics

Flat universe

A simple schematic icon representing a spatially flat universe as a straight rectangular or square grid plane with evenly spaced horizontal and vertical lines and no visible curvature. The grid is shown either face-on or with slight perspective as a flat horizontal sheet, with parallel undistorted lines emphasizing zero spatial curvature. Render it in thin pale blue, dark blue, gray, or blue-gray lines with a clean minimalist educational style; optional subtle depth cues, dark space-themed backdrop, or small outward arrows aligned with the grid may indicate expansion without introducing curvature.

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