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October 15, 1979 12:00 PM

Dial-a-Phenomenon (202/737-8855) The Smithsonian Institution regularly updates its bulletin on sunspots and NASA space vehicles, as well as announcing impending eclipses and meteor showers. Naval Observatory (202/254-4950) Compulsive about being punctual? The observatory’s master clock has the official worldwide time, to the second.

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