A monument to the supermoon in Groton
September 27, 2015 12:00 am
• Last Updated: September 28, 2015 7:26 pm
Stargazers will get a double celestial treat when a total lunar eclipse combines with a so-called supermoon.
Those in the United States, Europe, Africa and western Asia can view the rare coupling, weather permitting, Sunday night or early Monday.
It's the first time the events have made a twin appearance since 1982, and they won't again until 2033.
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