The Gaia probe is doing something a little like this to create a full 3D star map. It rotates as it goes and uses parallax to measure the distance and motion be

The Gaia probe is doing something a little like this to create a full 3D star map. It rotates as it goes and uses parallax to measure the distance and motion between stars exactly. https://en.wikipedia.org/wiki/Gaia_(spacecraft) https://en.wikipedia.org/wiki/Gaia_(spacecraft)