THE SAGAN SERIES - The Frontier Is Everywhere

For more Facebook - Twitter - G - The Sagan Series is an educational project working in the hopes of promoting scientific literacy in the general population. Created by @ReidGower Please note, this is an UNOFFICIAL NASA ad. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for “fair use“ for purposes such as criticism, comment, news reporting, teaching,