NASA
Nasa: Jet Propulsion Laboratory
NASA's Jet Propulsion Laboratory at the California Institute of Technology is "the lead US center for robotic exploration of the solar system."
California Institute of Technology
Caltech: Palmoar Observatory Public Page
Palomar Observatory is a historically important observatory that houses the 200in Hale Telescope. This site is the public site for the observatory and includes valuable information in links to general information, sky images, site...