UKAstroNut's video: What is LISA Pathfinder

You may not have even heard of LISA Pathfinder, let alone know that it is set to launch in the next few weeks. Yet it is set to be the last launch of 2015 by the European Space Agency, at an estimated cost of 400 million Euros! But what is LISA Pathfinder, what is it going to do and why hasn't anyone heard of it? 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: "LISA Pathfinder" by Source (WP:NFCC ). Licensed under Fair use via Wikipedia - https://en.wikipedia.org/wiki/File:LISA_Pathfinder.jpg #/media/File:LISA_Pathfinder.jpg "LISA Pathfinder logo" by Source (WP:NFCC ). Licensed under Fair use via Wikipedia - https://en.wikipedia.org/wiki/File:LISA_Pathfinder_logo.jpg #/media/File:LISA_Pathfinder_logo.jpg "LISA-waves" by Original uploader was Keenan Pepper at en.wikipedia - Transferred from en.wikipedia. Licensed under Public Domain via Commons - https://commons.wikimedia.org/wiki/File:LISA-waves.jpg #/media/File:LISA-waves.jpg "Artist's impression of supernova 1993J" by ESA/Hubble. Licensed under CC BY 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Artist%27s_impression_of_supernova_1993J.jpg #/media/File:Artist%27s_impression_of_supernova_1993J.jpg "BMW E90 Kirrinsannassa 2" by kallerna - Own work. Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:BMW_E90_Kirrinsannassa_2.jpg #/media/File:BMW_E90_Kirrinsannassa_2.jpg