Questions tagged [rtg]

RTG is a Radio-isotope Thermo-electric Generator. It uses the heat generated by the decay of a radioactive material to generate power. Often the heat as well, to hold off the cold temperatures in space or other planets.

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Is lunar exploration going to need a whole heck of a lot of RTGs? If so, have they started firing up the RTG-making reactors yet?

The November 16, 2021 Northrop Grumman Press Release Highly specialized team to design vehicle for sustainable lunar surface mobility operations begins Northrop Grumman Corporation (NYSE: NOC), is ...
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How much RTG fuel does China have?

Chang'e 3 is still operating, 3 years later, sending good science from its LUT (Lunar-based Ultraviolet Telescope) - running on RTG batteries. NASA is supposedly scrapping the bottom of the barrel ...
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What is hot shoe and cold shoe in MMRTG?

As I was going through the book 'The Design and Engineering of Curiosity' by Emily Lakdawalla, I stumbled on these two words. Are they hot and cold section of thermocouple? What actually they do? The ...
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Could Ingenuity stay warmer at night by landing on (or near) Perseverance's RTG?

One concern in How long could the Mars helicopter Ingenuity keep up with the Perseverance rover if it wanted to? is that the helicopter must cycle its battery every night to stay warm, and that could ...