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NASA Captures Solstice Solar Portrait
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At 11:12 UT (6:12 a.m. EST), the world didn’t end (as far as I can tell), but it was a significant time none-the-less. That was the exact minute of the Winter Solstice in the Northern Hemisphere (or the Summer Solstice in the Southern Hemisphere) — when the daylight hours are shortest and the sun reaches its most southern position in the sky at noon. This is all due to the Earth’s tilt relative to the sun (read more on the Earth’s axial tilt and how it affects the seasons).
The ever-watchful NASA Solar Dynamics Observatory (SDO) captured the time of solstice from orbit. Although the SDO is always imaging the sun through a multitude of filters, this is a great excuse to showcase the fanta… Continue reading…
More About: NASA, space, sun
source: http://feeds.mashable.com/~r/Mashable/~3/v9YaQ-80sL0/
2012-12-21 21:02:34
Source: http://someit.com/2012/12/21/nasa-captures-solstice-solar-p/
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