The great observatories of the world are responsible for many of the prolific astronomical observations of the twentieth century. Telescopic photograpy, radio dish data collection, and infrared imaging are among the many different techniques observatories have been able to employ to learn about the heavens.
The Palomar Observatory may be the most famous of all. With five telescopes operated by Cal-Techs graduate and post-doctoral students, the 200-inch Hale telescope is the most famous of all Palomars telescopes. Built in 1949, it was intended to overcome the onset of the southern California smog problem. Other noteworthy telescopes operated at Cal-Tech include a telescope to search for supernovae, a comet hunter, a trio of sky cameras looking for planetary and other celestial phenomena, an interferometer capable of detecting the slightest wobble in the orbits of a planet, and a sixty inch telescope responsible for spotting the first brown dwarf circling a companion star.
Cal Tech is also directly involved in the operation of the Keck and Lick Observatories. The Keck Observatory, located on top of Hawaiis dormant Mauna Kea volcano contains the worlds largest...
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