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The declination of the sun is defined as
The angular distance of the sun north or south of the celestial equator.
The arc from the celestial horizon to the sun measured along a vertical line perpendicular on the horizon.
The arc of the meridian of the sun measured from the nearest pole to the sun.
The arc along the celestial sphere from zenith to the sun.
By the term "transit" of a heavenly body it is understood that:
the body is passing the meridian of the observer or another specified meridian
the body is passing the anti meridian of the observer
the body is moving
the body is at the same celestial meridian as another body
Which is the highest latitude listed below at which the sun will rise above the horizon and set every day?
Observed from a position on the surface of the Earth the heavenly bodies seems to
move from east to west
move from east to west on the northern hemisphere
move from west to east on the southern hemisphere
Above what latitude is the sun in zenith at the spring equinox on the northern hemisphere?
N 66° 33'
N 23° 27'
The term "Sidereal Hour Angle" (SHA) is used
to define the position of a star on the celestial sphere without reference to Earth co-ordinates
to describe the time interval between two successive transits of the real apparent sun at the same meridian
to describe the position of a star with reference to the moon
Assuming mid-latitudes (40° to 50°N/S). At which time of year is the relationship between the length of day and night, as well as the rate of change of declination of the sun, changing at the greatest rate?
Spring equinox and autumn equinox
Summer solstice and spring equinox
Winter solstice and autumn equinox
Summer solstice and winter solstice
The sun's declination is
The sun's position relative to the plane of the Equator
The angular distance between the sun and the celestial North Pole