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Re: Most likely candidate for future spaceship propulsion
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Originally Posted by Moontanman
The mag sail is no more primitive than any of the others, it's a very elegant way to use the solar wind to propel a space craft even to interstellar distances. Nuclear pulse is a very primitive way to propel a space craft, much of the blast is wasted. A fusion powered space craft wouldn't be much better at total thrust than a ion drive. I suggest you read the article about gaseous fission rockets before you dismiss it.
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But the fact that it needs solar wind is a huge draw back for traveling far outside the solar system, and especially for traveling toward a star as opposed to away from it.
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"We believed the world would not be the same, a few people laughed, a few people cried, most people were silent, I remembered a line from the Hindu scripture, the bagavagita, Vishnu was trying to convince the prince that he should do his duty, and to impress him, he takes on his multi-armed form and says, Now I have become death, destroyer of worlds. I suppose we all thought that, in one way or another"
-Robert J Oppenheimer, The atomic bomb
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