plutonium

Where does the plutonium come from?

Last week I wrote about how the shortage of Pu-238 might impact the exploration of the outer Solar System, but I didn’t much get into where the plutonium comes from. After all, while there are trace amounts of natural plutonium, there certainly isn’t nearly enough to fuel a space probe. So this week it seemed […] The post Where does the plutonium come from? appears on ScienceWonk, FAS's blog for opinions from guest experts and leaders.

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Houston – we need some plutonium

The outer Solar System is a dark and lonely place – solar energy drops off with the inverse square of distance to the Sun so a spaceship in orbit around Jupiter (5.5 times as far from the Sun as the Earth) receives only about 3% as much solar energy as one orbiting Earth. Solar panels […] The post Houston – we need some plutonium appears on ScienceWonk, FAS's blog for opinions from guest experts and leaders.

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Yucca Mountain: Questions and Concerns

Yucca Mountain raises a lot of controversy – let’s face it; if it didn’t then a 4-part series of blog postings would hardly be necessary. Part of the reason for the controversy is that there are a number of worries about the impact of spent fuel disposal on the environment and on the health of […] The post Yucca Mountain: Questions and Concerns appears on ScienceWonk, FAS's blog for opinions from guest experts and leaders.

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