astronomical time


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astronomical time

[‚as·trə′näm·ə·kəl ′tīm]
(astronomy)
Solar time in an astronomical day that begins at noon.
References in periodicals archive ?
All residential outdoor luminaires that are not "high efficacy" must be controlled by a motion sensor and by either a photo-control or astronomical time switch.
Wright's team's work has proven, for the first time, that the Ruprecht 147 cluster is only a bit younger than the Sun on the astronomical time scale.
Accurate long-term climatic forecasting is finally here, based on accurate projections of this astronomical time clock discovery through geological time.
Though the disks survive less than 100 million years -- the blink of an eye in astronomical time -- they hold a revolution in the making.
According to Spade, the Softswitch128 system was the best choice for The Victory Bank as it provides the most demanding needs for switched public space lighting, offering occupancy, scheduled and manual control, daylight sensing, astronomical time clock and contact closure inputs for flexibility and energy savings.
ut because the Earth's rotation is irregular and is slowing down by two thousandths of a second per day, this would cause us to drift slowly away from astronomical time.
Both sources are controlled by an astronomical time clock.
WLS Lighting Systems will also install the netLiNK Controls(TM) system, which will enable Developers Diversified to wirelessly control each individual parking lot light using an astronomical time clock for maximum efficiency and longevity.
Tenders are invited for Supply, Installation, testing and commissioning of Astronomical Time Switch with Communication facility.
This means that atomic clocks, which measure the length of a second with extreme accuracy based on reactions in caesium atoms, are ever so slightly out of kilter with astronomical time.
At night, an astronomical time clock prompts a slow fade to a nighttime scene where accent lighting highlights plantings, a gypsum "waterfall" and natural grass wall panels.
About 900,000 years from now - a blink of an eye in astronomical time - they will merge and possibly explode as a supernova.

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