How Far Away Is It - 2013 Update - Gaia (1080p)

Text at Welcome to our 2013 update. Each year, I’ll accumulate the key Hubble and other observatory discoveries that impact on our ―How far away is it‖ story. We have some new information on a number of our segments from the Solar System to the Cosmos. There was big news on Voyager. I will be updating the Heliosphere segment as well as covering the news in this update. For the Milky Way, we have news from Proxima Centauri to a distant light echo variable star. We h