On Which Day of the Year Does the Sun Reach

question 1

Multiple Choice

On which day of the year does the Sun reach its northernmost point on the celestial sphere?

• A) vernal equinox
• B) summer solstice
• C) autumnal equinox
• D) winter solstice
• E) The sun always reaches the same altitude.

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Definitions:

Accommodation

The process by which the eye's lens changes shape to focus near or far objects on the retina or the adaptation of the mind to new information.

Refraction

The bending of light as it passes from one medium to another, which changes its speed and direction.

Constriction

The act or process of making something narrower, tighter, or more enclosed.

Dilation

The process of expanding or widening in size; in physiology, it often refers to the widening of blood vessels or pupils in response to specific stimuli.