03. Time | NASA's The Invisible Network Podcast
16 Oct 2018, 16:30 GMT
Source URL: https://www.nasa.gov/podcasts/invisible-network/03-time-nasas-the-invisible-network-podcast/
Whether you're relying on the careful observations of 1950s amateur astronomers and backyard telescopes or state-of-the-art GPS tracking and navigation technology: knowing where you are in space means needing to know what time it is.