Multiple choice general knowledge science & technology

The time in spring and autumn when the earth has days and nights of equal length is called the

  1. equinox

  2. axis

  3. orbit

  4. None

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An equinox occurs when the sun is directly above Earth's equator, making day and night approximately equal length (12 hours each) worldwide. This happens twice yearly: spring equinox around March 21 and autumn equinox around September 23.