Timeline for Is it possible to break the sound barrier in space with a really fast spacecraft
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| Apr 7, 2019 at 14:16 | comment | added | Mattias | Ok, but wouldn't a relativistic speed ship hit enough particles at once that it builds up pressure and drag at the front of the ship? Especially since the lorentz factor of the ship would cause space in front of it to compress as it gets closer to the speed of light. | |
| Apr 5, 2019 at 13:14 | comment | added | el duderino | Since as you mention, outer space is a plasma, there are actually many ways for shocks and waves to propagate without particle collisions. Basically, since all the particles are charged, a displacement of them creates an electric field that can propagate through the plasma under certain conditions. It'd still be hard for a spaceship to make substantial waves of this type though, since the wavelengths are extremely long. | |
| Apr 5, 2019 at 3:31 | history | answered | kingledion | CC BY-SA 4.0 |