You could use something akin to sodium acetate heating pads Since you mention that you also need to heat the planet, why not storing the heat you want to take rid from for later usage? Capturing or mining an icy comet (a la Futurama, as mentioned in the comments) would allow climate modulation even if the planet has no ice caps, or if they've been melted already. Of course, you'd have to be willing to deal the the consequences of melting that much ice, but that might be an interesting challenge in the context you're describing.Īlternatively, you could also bring in ice from off-world to lower the planet's temperature. One could imagine that if we mined the entire polar ice caps and brought them to the equator, the ice would melt and lower the temperature of the surrounding area. The overall amount of energy in the drink never changes, but you've stored some of the heat energy in breaking the bonds that hold the ice together, resulting in a lower overall temperature. This is exactly what happens when you put ice into a warm drink - the ice melts, absorbing heat energy from its surroundings. That is, as ice melts, it absorbs a great deal of heat energy without actually changing temperature. Ice requires a huge amount of latent heat in order to melt. There could even be hundreds or thousands of miles/kilometers between each stand, housing a motorized Sun-tracking system, capable of furling and unfurling upon instruction. ![]() Image copyright through 2021 (commercial website) If not on the surface, then basic inverted umbrella shapes on columns a few hundred or even a few thousand feet high depending on the scale you need, a bit like this: ![]() Aluminised Mylar sheets might just fit the bill, they're cheap and lightweight, but you'd needs lots and lots to cover a significant area. Sure, some will bounce around inside the atmosphere still, but you should be able to create a global Antarctica effect in no time. Raise the mean Albedo to as near as 1 (perfect reflection of all radiation) and you can cut down on about 1KW of incident radiation from the Sun per square meter. In Earth's case, the Albedo is about 0.9 for snowy areas and 0.04 for Asphalt. A planet with a low Albedo will look dark and the surface will heat-up relative to the amount of starlight (sunlight) it gets. effectiveness (and scattering) of incident light. I'd love to hear any ideas if you have any. I also have never heard of any such system besides the 'heatsink launcher' in Elite Dangerous.Įven though I'm taking quite some liberty with the small planet size, I'm still hoping to have a solution for heat removal that feels hard-sci-fi-ish enough. My initial feeling is that this is quite far-fetched and likely not efficient at all. A heat pump would collect heat into a medium (liquid? solid?) and then launch it off away from the planet. My first thought was some sort of system that launches heat cartridges away from the planet. I've thought of large radiators extending high up but because of practical reasons (they are unsightly and don't fit the screen) I'm looking for alternative solutions here. A more 'external' solution would be to redirect solar radiation to the surface, but I prefer an on-surface solution.Ĭooling the planet poses a problem. ![]() If the planet is cold, a player may want to heat it with whatever heat source they desire, for example by burning (imported, pehaps nuclear) fuel. ![]() My game takes place on a small planet (unrealistically small, but still bigger than Le Petit Prince) and terraforming is one of the goals. One method would be to radiate it into space by first pumping the heat into large panels. In a small closed system, like a spacecraft, getting rid of built up heat can pose a problem.
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