Visit http://science.nasa.gov/?utm_source=science&utm_medium=youtube&utm_campaign=2026 for more.
NASA's Fermi Gamma-Ray Telescope is finding hundreds of new objects at the very edge of the electromagnetic spectrum. Many of them have one thing in common: Astronomers have no idea what they are. Learn more about the Fermi mission: https://science.nasa.gov/mission/fermi/?utm_source=science&utm_medium=youtube&utm_campaign=2026
