US Naval Observatory - Hutchinson encyclopedia article about US Naval Observatory

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US Naval Observatory

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US Naval Observatory

US government observatory in Washington, DC, that provides the nation's time service and publishes almanacs for navigators, surveyors, and astronomers. It contains a 66-cm/26-in refracting telescope opened in 1873. A 1.55-m/61-in reflector for measuring positions of celestial objects was opened in 1964 at Flagstaff, Arizona.

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Astronomical Almanac
Hall, Asaph
Newcomb, Simon

Ritchey, George Willis
Rodgers, John
Washington, DC

has planned his own Super Bowl fete, also hosting House and Senate members, along with their families, to watch the Super Bowl at his spacious manse at the US Naval Observatory.

Obama, Biden host exclusive Superbowl fetes by AFP / AFP American Edition

has planned his own Super Bowl fete, also hosting House and Senate members, along with their families, to watch the Super Bowl at his spacious manse at the US Naval Observatory.

Obama, Biden host exclusive Superbowl fetes by AFP / AFP Global Edition

is an interferometer operated by the US Naval Observatory, the Naval Research Laboratory and The Lowell Observatory.

Custom-Made Weather Maps Critical to Naval Operations by Kennedy, Harold / National Defense

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