Yeah, Andromeda is way too far away. The Gaia mission was custom-built to do exactly this kind of "stereo" imaging of stars in our own galaxy, but it's still no

Yeah, Andromeda is way too far away. The Gaia mission was custom-built to do exactly this kind of "stereo" imaging of stars in our own galaxy, but it's still not sensitive enough to cover the entire Milky Way.