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Mount Wilson Observatory
noun
- an astronomical observatory on Mount Wilson, near Los Angeles, California, having a 100-inch (254-centimeter) reflecting telescope.
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Example Sentences
Its 300-foot-high flames licked up against Mount Wilson Observatory, where scientists first proved the existence of a universe outside the Milky Way.
From ProPublica
The Mount Wilson Observatory has now been in operation about fifteen years.
From Project Gutenberg
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