Tag Archive: Spring tides contrast
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Word for the Wise : Perigean spring tides
The moon reaches its perigee — that is, the point in its orbit when it is closest to earth’s center — at 6:00 this morning. Six and a half hours later, at 12:31 this afternoon, the moon enters its full phase. Given those two pieces of information, can you name what astronomical event begins today? [...]
