In this episode we mainly have a look at various types of galaxies, some of which are very, very far away. 22. NGC 4449 23. HD 97950 24. M74/Messier 74 25. Arp 148 26. Abell 2218 27. Abell 1703 On the ESA/NASA website for the Hubble Space Telescope http://www.spacetelescope.org/ there is a section dedicated to the top 100 pictures ever taken by Hubble. I will go through these pictures one by one and explain what is going on. This is Episode 4, for Episode 1 please click here https://goo.gl/BnHNlh Want to see the images for yourself? Download the 4.7GB zip file here http://www.spacetelescope.org/static/images/zip/top100/top100-original.zip SUBSCRIBE for more videos about our other space related things. Subscribe! http://goo.gl/WX4iMN Facebook! http://goo.gl/uaOlWW G+ http://goo.gl/1eGj3d Twitter https://goo.gl/VCfejs DONATE - Patreon https://goo.gl/GGA5xT All credit for the images go to ESA, NASA, Hubble and ESO teams. Music credit: Anima - Love Again