How To Use Ephemeris In A Sentence
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Well, it turns out that an accurate ephemeris (position table) of Saturn is useful for solar system tests of general relativity, predicting future occultations and eclipses, and navigation of spacecraft.
URSI Update #2
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“Your ephemeris,” she says, finally, with a fair amount of bravado.
Vivian Rising
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A lengthy section pursues the connections with myth and the centaurs, and the book ends with an ephemeris for the centaurs Chiron, Pholus and Nessus between the years 1900-2050.
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I sat with an open book, dragging my finger across the ephemeris boxes, scratching my head at logarithms.
Vivian Rising
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The navigation message contains the satellite ephemeris, which is a numerical model of the satellite's orbit.
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Still, she pulls out another chart and starts to scribble what she reads on the ephemeris.
Vivian Rising
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If Cassini lasts til 2012, then they will have tracked Saturn for one quarter of its orbit, providing excellent data for the ephemeris.
Archive 2009-01-08
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The GPS position solution can be improved by using a better satellite ephemeris.
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Astronomy & Astrophysics says the team "presents an accurate, long-term ephemeris," and that "they participated in all the steps of a real research program, from initial observations to the publication process, and the result they obtained bears scientific significance.
High School Students Get Published in Astrophysics Journal | Universe Today
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Until the Eastern Han Dynasty, historian with the ephemeris officer is always unity.
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Timing an occultation to a fraction of a second allows the observed location to be referenced against the predicted position from the computed ephemeris, perhaps leading to an update.
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She looks up at me with a knowing smile: “This, my dear, is the ephemeris.”
Vivian Rising
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Just as in a circle, it is necessary to know three points to determine the circumference; so in ascertaining the elements of a comet, three different positions must be observed before what astronomers call its "ephemeris" can be established.
Off on a Comet
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It's not commonly realised that there is a strong notional element in some of the times so confidently listed in the ephemeris, as will become clear if you compare the times given for aspects of the major planets in different ephemerides.
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Using the precise ephemeris and the precise satellite clock correction can realize precise point positioning ( PPP ) .
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In short, whoever takes his ephemeris in one hand and history in the other, will have no difficulty in convincing himself of the efficacy of such configurations; and though, by changing the signs, they may vary the effects and also the places most subject to their influence, yet it will appear that the observations of different authors (wherein they all agree that England is most passive to the fiery trigon) are founded on truth.
The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales
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Furthermore, if ephemeris time is that measured in the “photonic” system, as it is in a certain suggested alternatives to GR, then the Pioneer spacecraft will appear to have an anomalous sunwards acceleration of cH or 6. 69×10-8 cm. sec-2; such an acceleration aP = (8. 74±1.33) ×10-8 cm. sec-2 is actually observed.
Please Tell Me What “God” Means
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Just as Quiddity wasn't in any conventional sense a sea, so Ephemeris demanded a redefinition of the word island.
THE GREAT AND SECRET SHOW