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Questions tagged [radioactive-decay]

Questions regarding Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses its energy by emitting particles of ionizing radiation.

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1 answer
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What spaceship materials could naturally experience radioactive decay and transmute on a million year interstellar journey? [closed]

For extremely long journeys, deterioration of spaceship materials becomes a concern beyond mere rust or corrosion. Assuming a ship is sufficiently protected against radiation and other colliding ...
brentonstrine's user avatar
6 votes
3 answers
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Would capture of a uranium-rich asteroid open new possibilities?

It seems that energy production in space is a limiting factor. We can use photovoltaics, but they're of minimal value past Mars, and many interesting places (like the moon) have very long nights. The ...
Stephen Collings's user avatar