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Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.

Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.

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Attribution & collection notes
Author or tradition
Wilson Greatbatch
Attribution: attributed
Country attributed
Not established
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Historical period
Historical period not yet established
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Contributor-provided quotation collection

Supplied reference C; CSV row 437963; supplied attribution, independently unverified

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