Pacific Northwest | December 21, 2003Pacific Northwest MagazineDecember 21, 2003seattletimes.com home
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CONTENTS
COVER STORY
PLANT LIFE
TASTE
NORTHWEST LIVING
NOW & THEN
PREVIOUS ISSUES OF PACIFIC NW


GRAPHIC BY ALDO CHAN

The seasons

Earth's axis tilts 23.4 degrees and points in the same direction throughout the year. This causes its orientation relative to the sun to change as the Earth makes its 365-day orbit around the sun.
Graphic illustration

Note: Not to scale

Sources: University of Washington Dept. of Astronomy

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