Western Slope Skies

Listen to Western Slope Skies, an astronomical report created by the Black Canyon Astronomical Society.

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  • Western Slope Skies

Winter Sun

Jan 7, 2013

Do you know when the Earth is nearest the sun?  It’s January 4th, during what is typically the coldest part of our winter.   Seasons are caused by the tilt of the Earth’s rotation axis, not by our distance from the sun.

When the northern hemisphere is tilted away from the sun in late December and January we experience deep winter, while the southern hemisphere is tilted toward the sun and experiencing summer. 

Autumn is a wonderful time to observe our Western Slope Skies.   While the temperatures are not bitter cold, the nights are getting longer.