World, Astronomical Observatories

Folded, world map of contemporary observatories and planetariums, including historic sites and meteor impact craters. Numbered sites on map correspond to information regarding the site on reverse side. Map also shows radiance data (low levels of visible to near infrared radiance at night). Insets include Europe, eastern U.S., western U.S., New England, Argentin/Chile, Japan, and photos.