Its called camera mapping
https://youtu.be/B9r9tKX5olY
The link is for a tutorial for doing it in blender. I also found a tutorial a while back on doing a fake nebula fly through: https://www.youtube.com/watch?v=CB8_QKQ4eKQ
You do have to create information where you have none, of course- does it 'mislead' people in astronomy animations? Only those so profoundly ignorant that they don't understand what they are seeing... but they are pretty much beyond reaching anyways... whats the benefit of catering to such people?