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A comment on Orbital Sciences Antares rocket explodes after liftoff. Parent comment

Re:Orbital Sciences Antares rocket explodes after liftoff by termain on Wednesday October 29, 2014 @10:38AM (#8527384)
Yes, the RS-25/SSMEs aren't "easily the most efficient rocket engines ever built". As noted below, there's NERVA.
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Re:Orbital Sciences Antares rocket explodes after liftoff by pavel_lishin on Wednesday October 29, 2014 @10:49AM (#8527429)
And yesterday's launch illustrates why people are kind of nervous about using them as a way to take off from the planet's surface.
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