Spring equinox occurs around which dates?

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Explore the intricacies of the Sun-Earth-Moon System with our C20 Test. Utilize flashcards and multiple choice questions to gain a comprehensive understanding of celestial mechanics. Prepare thoroughly for your exam!

Multiple Choice

Spring equinox occurs around which dates?

Explanation:
The spring equinox happens when the Sun crosses the celestial equator moving north, so day and night are about equal in length. This occurs around March 20 or 21 in most years, which is why that date range is the correct pick. The other dates correspond to different seasonal events: late September is the autumnal equinox, while late December and late June are the winter and summer solstices, respectively. The exact date can shift by a day due to Earth's orbit and time zones, but spring equinox is typically around March 20–21.

The spring equinox happens when the Sun crosses the celestial equator moving north, so day and night are about equal in length. This occurs around March 20 or 21 in most years, which is why that date range is the correct pick. The other dates correspond to different seasonal events: late September is the autumnal equinox, while late December and late June are the winter and summer solstices, respectively. The exact date can shift by a day due to Earth's orbit and time zones, but spring equinox is typically around March 20–21.

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