We use M53 as bit of an excuse for an up/down north/south space debate. More Messier Objects: http://bit.ly/MessierObjects Dr Meghan Gray works at the University of Nottingham. Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/#!/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos Flickr: http://www.flickr.com/photos/68847473@N02/ More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Videos by Brady Haran Brady's other channels include: null (Chemistry stuff) null (Physics and astronomy) null (Numbers and maths) null (Science and behind the scenes) null (Food science) null (Big science facilities) null (Favourite scientists) null (Academic look at the Bible) null (Modern language and culture)