DeepSpace1UsingItsIonEngine NASA's DeepSpace1 spacecraft approaching the comet 19P/Borrelly. Its primary mission was to serve as a technology demonstrator
== Summary == English IonEngine Test Firing Turkish Fotoğraftaki Xenon İyon motoru NASA tarafından tamamen vakumlu bir ortamda denenmiş ve çalışması başarılı
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English applies to jurisdiction: United States of