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Medal - Palomar Mountain Observatory San Diego County California
Location United
States Year Type Souvenir medals/Tourist souvenir Composition Copper plated (Non Magnetic alloy) Weight Diameter 73 mm Thickness Shape Round Technique Milled Orientation Medal alignment ↑↑ Edge Period Notice Reference(s)
Obverse description Observatory building Obverse lettering PALOMAR MOUNTAIN OBSERVATORY
Elevation 5580 feet
Revolving Dome
Diameter 137 feet
Weight 1000 tons Obverse script Latin Reverse description Reverse lettering Telescope
264 inch tube
62 feet long-Weight 150 tons
Paraboloid 200 inch Pyrex-mirror
Weight 14 3/4 tons
accuracy of surface 1/200,000 inch
Whole Mounting 500 tons
Looks in space
1 Billion light years
One light year =
5,000,000,000,000
miles Reverse script Latin Engraver Mintage ND - - Catalog ID 6466600880 Comments
