Question 1590Navigation General
70% to passThe First Point of Aries is the position of the Sun on the celestial sphere on or about _______________.
A
December 21
B
March 21
C
September 21
D
June 21
AI Explanation
The correct answer is B) March 21. The First Point of Aries is the position of the Sun on the celestial sphere on or about the first day of spring, which is the vernal equinox that occurs around March 21 each year. This is when the Sun appears to cross the celestial equator, marking the beginning of spring in the Northern Hemisphere. The other answer choices are incorrect because they correspond to the other seasonal equinoxes and solstices, which occur on or around June 21 (summer solstice), September 21 (autumnal equinox), and December 21 (winter solstice), respectively.
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