Science teacher
Breaking out of the classroom into the world....
Showing posts with label
perihelion
.
Show all posts
Showing posts with label
perihelion
.
Show all posts
Thursday, January 1, 2015
Waiting for the perihelion
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January 1st is an odd day to start a new year. While the importance of time is a human conceit,its divisions are based on the natural wor...
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