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Results tagged with radiation
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user 26
Questions about impact of radiation on space exploration.
15
votes
Do nuclear batteries emit radioactive rays while in use by satellites and shuttles?
There's not much other radiation aside from the (intended) alpha radiation and the two above terms. The main thing this shows is that Cassini's RTG is extremely clean in terms of radiation. … The beta radiation makes it a little further than the alpha radiation, but not by that much on a multi-ton spacecraft. It will affect the electronics almost none. …
- 16.4k
6
votes
Accepted
How is heat in space dissipated?
By definition, ionizing radiation will destroy chemical bonds. Particularly, we would like to minimize the disruption that this radiation causes to astronaut's DNA. … While thermal radiation and ionizing radiation can both be photons, that's like comparing a baseball to a speeding bullet. …
- 16.4k
8
votes
What is the projected death-rate displacement for colonists to Mars?
http://rationalwiki.org/wiki/Linear_no-threshold
LNT estimates that the risk of premature death from radiation-induced cancer is around 5% per sievert or 0.5% per 100 mSv of exposure. … Radiation requirement met. On Earth this would be workable, even if unpleasant. Design of the facilities on Mars would be subject to... more constraints. …
- 16.4k