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National Geographic Society – Palomar Observatory Sky Survey

Palomar Skies, news and history written by Palomar public affairs coordinator Scott Kardel

The SBO Palomar Sky Survey Prints

Palomar Observatory Clear Sky Clock Forecast of observing conditions.

Balai cerap astronomi di California

Bangunan dan struktur Institut Teknologi California

Bangunan dan struktur di Kaunti San Diego, California

Sejarah semula jadi Banjaran Semenanjung