Watts Up With That?: ‘Supermoon’ this weekend will be biggest full moon of the year

The biggest and brightest full Moon of 2017 is coming this weekend, on Sunday night, Dec. 3rd. It’s a perigee “supermoon,” almost 8% wider and 16% brighter than an average full Moon. Full moons vary in size because the Moon’s orbit is not a circle, it’s an ellipse: One side of the Moon’s orbit, called “perigee,”…

2017-12-02 03:33


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