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Which of the Following Statements About Matter-Antimatter Engines Is Not

Question 48

Multiple Choice

Which of the following statements about matter-antimatter engines is not true?


A) Matter-antimatter engines would be great in theory,but to date we have no evidence that antimatter even exists.
B) Matter-antimatter reactions represent the most efficient possible reactions in terms of energy release.
C) Spacecraft powered by matter-antimatter engines could probably reach speeds of more than half the speed of light.
D) One of the major challenges to developing matter-antimatter engines is finding a way to store antimatter after it is produced.

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