Wednesday,  June 27, 2012 • Vol. 12--No. 349 • 9 of 30 •  Other Editions

(Continued from page 8)

does on the June 20 solstice.
• If the Earth's axis stood upright as our world circled the sun, and if, in addition, the Earth stayed the same distance from the sun all year long, then clock time and sun time would always agree. However, the Earth's axis is titled 23.5 degrees out of vertical, and our distance from the sun varies by about 3 million miles throughout the year. At and around the equinoxes, so

lar days are shorter than 24 hours, yet at the solstices, solar days are longer than 24 hours.
• In a nutshell, it's the discrepancy between the sun and the clock that brings a later sunset in late June than on the exact day of the summer solstice.

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