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安裝中文字典英文字典辭典工具!
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- Magnetic Declination (Variation) | NCEI
Magnetic declination, sometimes called magnetic variation, is the angle between magnetic north and true north Declination is positive east of true north and negative when west
- Declination - Wikipedia
In astronomy, declination (abbreviated dec; symbol δ) is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle
- What is declination? | U. S. Geological Survey - USGS. gov
What is declination? At most places on the Earth's surface, the compass doesn't point exactly toward geographic north The deviation of the compass from true north is an angle called "declination" (or "magnetic declination")
- DECLINATION Definition Meaning - Merriam-Webster
The meaning of DECLINATION is angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles How to use declination in a sentence
- DECLINATION | English meaning - Cambridge Dictionary
Declination is defined as the position of the sun at noon (solar time) north and south of the celestial equator (measured in degrees)
- Declination | Celestial Coordinates, Celestial Sphere Equinoxes . . .
Declination, in astronomy, the angular distance of a body north or south of the celestial equator Declination and right ascension, an east-west coordinate, together define the position of an object in the sky
- DECLINATION definition in American English | Collins English Dictionary
All holes were drilled at between approximately -45 to -50 degree declinations The second drill hole was drilled at a declination of -75 degrees He was as baffled as I about the FBI's declination of the State Department's invitation to intervene in the case
- Magnetic Declination Calculator
The magnetic declination calculator tells you the difference between true north and magnetic north at your location We use magnetic declination for many applications, including navigation, orienteering, planning, and not getting lost!
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