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Content tagged with "dendrochronology"

A chainsaw and a tape measure are resting on the stump of a large elm tree

Calendar Elm

Yard work, astrophysics and archaeology meet in my back yard.

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A chainsaw and a tape measure are resting on the stump of a large elm tree

Calendar Elm

This elm tree's growth rings provided insight into how the sight where it grew had changed.

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A tape measure lies across the annual growth rings of a tree stump.

Telltale rings

Why are the growth rings in the center of this tree so much narrower than those near the outside?

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