Mercury

Mercury The smallest and first planet from the sun; Any objects (or rooms) exposed to the sun will heat rapidly. REQUIRES BETA BRANCH Very Important Tips: When in the sun, your waste tank will rapidly fill with hot oxygen from your suit. During the day you should not step out of the shadows for longer than a few seconds at a time. While furnaces and radiators left in the sun will heat up rapidly, they struggle to reach 300c. It is more efficient to put those inside of a glass heatbox room to reach thousands of degrees. Ores can be offgassed via your arc furnace to compensate for the lack of coal or ices or atmosphere to get gasses from. If underground, your base will only heat up from the devices within it. Plants should be recycled to get charcoal for steel aswell as volatiles and oxygen to combust into water. Resources: Mercury has a complete lack of coal and all ices. Atmosphere: N/A