Left: proper distances, Right: comoving coordinates. Particle Horizon (green), Event Horizon (red), Hubble Radius (blue), Scale Factor (gray dashed) and Past & Future Light Cone (orange & orange dashed). x-Axis: Space (in Glyr), y-Axis: Time (in Gyr). Ref: astro-ph/0310808

Spacetime Diagram and Code by Simon Tyran, Vienna [Симон Тыран / Yukterez.ist.org]

yukterez.ist.org/lcdm/proper+comoving-distances,2015-lcdm,flrw.gif



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