In January of 2015, NASA released the largest picture ever taken - a 1.5 billion pixel image of the Andromeda galaxy, our closest galactic neighbour. Measuring over 40 000 light years across and containing over a hundred million stars, it's an image that will take your breath away.
Watch the video below to go on a cosmic journey that may make you emotional - and watch until the end if you want to have your mind blown in the most amazing way. Trust me, it's worth it.