Launchpad: Atmosphere and Optical Telescopes ... Learn about the effect of our atmosphere on optical telescopes. Discover how the geography of Mauna Kea, Hawaii ...
Launchpad: The Fermi Gamma Ray Space Telescope ... Get an overview of the electromagnetic spectrum and see how scientists are using the new Fermi Gamma Ray Space ...
Contrary to what many people think, Galileo did not invent the telescope. In this video segment adapted from NOVA, the Italian physicist and mathematician ...