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If you haven't already, I would highly recommend watching 'Apollo 13'[1]. On a technical basis it is really accurate to the real-life events. The astronauts having to shut down the lunar lander's (LEM) heating system comes into the story about half way through. It's one of my all-time favourite films!

[1]: https://www.imdb.com/title/tt0112384/

Or, if you want to be a purist, there's this. [0](thank you whoever submitted this to HN a while back!)

[0] - https://apolloinrealtime.org/13/

Wow, that's amazing. I'm know what I'm going to be doing on Sunday!

They did, but they also left before the lunar night.

The humans inside the suits and lander also provided some useful heat. For most spacecraft, once you put humans into them the problem changes from conserving heat to getting rid of it.

Ok so at 120 degrees C got it

Kinda crazy what effect different albedos have, isn’t it? :)

They didn't last 14 days or try to survive the lunar night, and we spent a rather large % of our GDP on the project, while India's landing was an order of magnitude cheaper than any previous moon lander.