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Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66
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Pale Blue Dot

Carl Sagan

(September, 2015) A powerful and humbling reflection by astronomer Carl Sagan on the wonders and fragility of the Earth and the follies of humankind.

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