this post was submitted on 09 Apr 2025
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Science Memes

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submitted 4 days ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 4 points 3 days ago (1 children)

Usually space craft have relatively light power needs so why bother with a whole-ass nuclear reactor when an RTG is smaller, lighter, and has no moving parts? They're a pretty common choice for space probes, for example.

https://imgs.xkcd.com/comics/plutonium.png

[โ€“] [email protected] 1 points 3 days ago

We're actually running into shortages of Plutonium 238. Which is seriously compromising deep space missions.