>>9798298Actio = Reactio.
Spacecrafts use the expansion of a burning propellant to push themselves forward, meaning that the propellant and the spacecraft get pushed away from a common center point.
The vaccum sucks away that center point and basically moves the frame of reference to the right.
https://en.wikipedia.org/wiki/Spacecraft_propulsionhttps://en.wikipedia.org/wiki/Relative_velocityhttps://en.wikipedia.org/wiki/Frame_of_referenceAlso saging because you can't be that stupid and this is a slide thread.
