The Gaia space telescope will launch next week and it is going to be the biggest astronomy project of all time. The telescope will attempt to scan the entire sky, and capture images of at least a billion stars in our galaxy.

Gaia will head 1.5 million kilometers into space to do its job. To learn how it is going to do it, check out this video by New Scientist. In short, there's going to be a lot of spinning. [New Scientist]