Section: Introduction

The autumnal equinox is the time of the year when the. A) Sun crosses the ecliptic plane, moving north. B) Sun crosses the equatorial plane, moving south. C) Earth is at the closest point to the Sun in its elliptical orbit. D) Sun passes through the galactic plane. ans: B. 220. On the day of the vernal equinox (approximately March 21 each year ... ................
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