Carbon Dioxide

Freezing point

217.8 K (-55.33 °C)

Liquid from

517 kPa

Critical point

266.3 K (-6.84 °C) · 6,000 kPa

The curve connects the lowest point at which the substance can be liquid with the critical point. Above the critical temperature there is no liquid.

• Mars: The Canyon · 95 % of the atmosphere
• Venus: Miasma · 64.2 % of the atmosphere
• Vulcan: Foundry · 21.1 % of the atmosphere