How does spacecraft/rockets accelerate in vacuum while there's no gas present to apply force on in order to accelerate?
36588
What is a rocket engine thrusting against in space?
57949
Why is everything floating in space so cold?
3108
Why does space expansion not expand matter?
117925
What is escape velocity? In reality, how can something no longer be under the gravitational influence of something else?
79811
How is the energy loss by an accelerating charge expressed in the equations of motion?
68392
How to start an artificial gravity?
85100
Constant $g$ acceleration from astronaut's frame of reference
103270
Force acting on a simple rigid body in space
9207
How do gas molecules constantly bounce without losing energy?
74101
How is a vacuum able to propagate light?
31246
How much thrust would be needed to turn a hobbyist weather balloon into a deep space probe?
57761
What is the need of acceleration?
138161
Why is space a vacuum?
22988
Are vacuum fluctuations really happening all the time?
27213
Why does a helium filled balloon move forward in a car when the car is accelerating?
13143
Why doesn't planet Earth expand if I accelerate upwards when standing on its surface?
13251
Does a photon in vacuum have a rest frame?