Alaska Science Forum

September 28, 1977

The Partial Lunar Eclipse
Article #187

by T. Neil Davis

This column is provided as a public service by the Geophysical Institute, University of Alaska Fairbanks, in cooperation with the UAF research community. T. Neil Davis is a seismologist at the institute.

The lunar eclipse of Monday, September 26, was a disappointment to observers. Though we had not realized it beforehand, the eclipse was only penumbral--the earth only partially blocked sunlight from reaching the moon. Consequently the ef£ect was so small that it could easily have gone unnoticed.

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