The Tool That Helps Us See in Space | BBC Science

Did you know there are different types of telescopes or even how they actually work. Discover all the ways in which telescopes function and how they aid us in revealing secrets of our universe. Best of Earth Science: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos This is a channel from BBC Studios who help fund new BBC programmes. Service information and feedback: http://bbcworldwide.com/vod-feedback--contact-details.aspx