Definition of ephemeris in English:
noun (plural ephemerides /ˌɛfɪˈmɛrɪdiːz/)Astronomy & Astrology
A table or data file giving the calculated positions of a celestial object at regular intervals throughout a period: you can compute an ephemeris for any comet that is discovered and plot an accurate finder chart
More example sentences
- 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.
- 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.
- Global networks of tracking stations produce the observations that make generation of the precise ephemerides possible.
Words that rhyme with ephemerisambassadress
Definition of ephemeris in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Spain
Most popular in Malaysia
Most popular in Pakistan