Definition
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ephemer
En ephemer er en tabel eller en beregning, der viser placeringen af himmelkroppe på bestemte tidspunkter.
An ephemeris is a table or calculation that shows the positions of celestial bodies at specific times.
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Astronomer brugte en ephemer til at forudsige planetens bevægelse.
The astronomer used an ephemeris to predict the planet's movement.
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Forskere har brug for en nøjagtig ephemer for at studere stjernerne.
Researchers need an accurate ephemeris to study the stars.
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Ephemerer er essentielle for navigationssystemer, der kræver præcise data.
Ephemerides are essential for navigation systems that require precise data.