A thank you message from ESA astronaut Alexander Gerst for everyone involved in the Blue Dot mission.<br /><br />Alexander spent six months on the International Space Station in 2014 to run experiments for scientists on Earth and maintain the weightless research station. His tasks included a spacewalk to upgrade a power supply, overseeing the arrival of ATV Georges Lemaître and installing a new furnace to research metal alloys.<br /><br />Read more about the Blue Dot mission at http://www.esa.int/bluedot<br /><br />Follow Alexander via http://alexandergerst.esa.int
