Sunday, June 21, 2009

Happy Summer Solstice: The longest day of the year ...


Sunrise at Stonehenge - 4.58 this morning

Courtesy of APOD, nasa

Today, the sun will stay in the sky longer than any other day of the year, as seen from the northern hemisphere of Earth.

Know as the Summer Solstice, today's maximum daylight is indicative of the high amount of sunlight at this time of year that is primarily responsible for the heat of the summer season.

At the north pole, and for all places above the arctic circle, there will be no night - the entire day today will be lit by sunlight.

The situation is reversed in Earth's southern hemisphere, where today has the least sunlight of any day.

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