UKAstroNut's video: Telescope Time machine - My Research in 3 minutes

How do Astrophysicists use Telescopes to look back billions of years in to the past? I recently entered a competition to explain this and my research as an astrophysicists in just 3 minutes. Twitter: https://twitter.com/UKAstroNut Facebook: https://www.facebook.com/UKAstroNut Website: http://www.ukastronut.co.uk Blog: http://ukastronutblog.blogspot.co.uk/ Image credits: "Einstein 1921 by F Schmutzer - restoration" by Ferdinand Schmutzer - http://www.bhm.ch/de/news_04a.cfm?bid=4&jahr=2006 [dead link], archived copy (image). Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Einstein_1921_by_F_Schmutzer_-_restoration.jpg #/media/File:Einstein_1921_by_F_Schmutzer_-_restoration.jpg "HubbleDeepField.800px". Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:HubbleDeepField.800px.jpg #/media/File:HubbleDeepField.800px.jpg "Coleman 220F Lantern" by Eddie Willers - Own work. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Coleman_220F_Lantern.JPG #/media/File:Coleman_220F_Lantern.JPG "Infrared Image of Dark Cloud in Aquila" by ESA / SPIRE / PACS / P. André (CEA Saclay) - http://herschel/index.php?SiteSection=ImageGallery&ViewImage=nhsc2009-022a. Licensed under Public Domain via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Infrared_Image_of_Dark_Cloud_in_Aquila.jpg #/media/File:Infrared_Image_of_Dark_Cloud_in_Aquila.jpg "TeamTimeCar.com-BTTF DeLorean Time Machine-OtoGodfrey.com-JMortonPhoto.com-07" by Terabass - Own work. Licensed under CC BY-SA 4.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:TeamTimeCar.com-BTTF_DeLorean_Time_Machine-OtoGodfrey.com-JMortonPhoto.com-07.jpg #/media/File:TeamTimeCar.com-BTTF_DeLorean_Time_Machine-OtoGodfrey.com-JMortonPhoto.com-07.jpg "Telescope" by Users Ericd on en.wikipedia - I took this picture myself on April 19, 2003 with a Minolta XD-5 and a 24mm f/2.8 Rokkor lens on Kodak Ultra 400. The picture has been scanned from film.. Licensed under CC BY-SA 3.0 via Wikimedia Commons - http://commons.wikimedia.org/wiki/File:Telescope.jpg #/media/File:Telescope.jpg Image from the film Back to the Future.