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Results tagged with ion-thruster
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user 1457
Questions about engines used in space that accelerate ions to create thrust.
2
votes
2
answers
738
views
Could chemical energy quicken ion propulsion?
Background
Tsiolkovski's rocket equation says that change of speed is proportional to the exhaust velocity. Chemical propulsion seems to have a strictly limited and since long achieved maximum exhaus …
- 27k
6
votes
2
answers
1k
views
Could cosmic rays be produced by alien propulsion systems?
Could the cosmic radiation of heavy ions which hit us be the exhaust of advanced electric propulsion used by alien space travelers? While supernovae seem to cause part of them, much of it is far from …
- 27k
5
votes
3
answers
677
views
Could Earth's electric grid be used to power rocket launches via cable?
If our regular huge power plants on the ground could be used to power part of a rocket launch, launch mass would be smaller since fuel would not have to be carried on board. I wonder what are the main …
- 27k