Rotation and relative location of the sun
Answers
Answer:
The Sun rotates on its axis once in about 27 days. This rotation was first detected by observing the motion of sunspots. The Sun's rotation axis is tilted by about 7.25 degrees from the axis of the Earth's orbit so we see more of the Sun's north pole in September of each year and more of its south pole in March.
Explanation:
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Answer:
To find the Sun's position for a given location at a given time, one may therefore proceed in three steps as follows:[1][2]
calculate the Sun's position in the ecliptic coordinate system,
convert to the equatorial coordinate system, and
convert to the horizontal coordinate system, for the observer's local time and location. This is the coordinate system normally used to calculate the position of the Sun in terms of solar zenith angle and solar azimuth angle, and the two parameters can be used to depict the Sun path. [3]
This calculation is useful in astronomy, navigation, surveying, meteorology, climatology, solar energy, and sundial design.