If orbital compute fails, it won't be due to heat issues. Current radiators are around 8kg per square meter, and each square meter can radiate close to 1kW. So a 1 megawatt satellite would need less than 40 square meters of radiators weighing around 300kg. And that assumes there won't be any improvements in radiator efficiency.
The outcome is almost entirely determined by launch costs.
alt Hacker News
If orbital compute fails, it won't be due to heat issues. Current radiators are around 8kg per square meter, and each square meter can radiate close to 1kW. So a 1 megawatt satellite would need less than 40 square meters of radiators weighing around 300kg. And that assumes there won't be any improvements in radiator efficiency.
The outcome is almost entirely determined by launch costs.