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‘Supermoon’ makes extra-close appearance this weekend


Monday’s full moon will be a “supermoon,” which is a fancy, somewhat exaggerated way of saying the full moon will be a little larger than normal.

That’s because the moon will be at its closest approach to the Earth while it happens to be full, which makes it look slightly larger and brighter than normal.

A full moon at perigee (closest approach) is up to 14 percent larger in diameter and shines with about 30 percent more light than when the moon is at apogee, its farthest point.

Monday’s supermoon will be the closest the moon comes to us in almost 69 years. It won’t happen again for another 18 years, The Associated Press reported.

NASA says the closest approach will occur at 6:21 a.m. EST when the moon comes within 221,523 miles. That’s from the center of the Earth to the center of the moon. Full moon will occur at 8:52 a.m. EST.

NASA planetary geologist Noah Petro is urging everyone to step outside and soak in the view. Prime viewing will be Monday night.

There will be another supermoon in mid-December when the moon becomes full on the same day as perigee.

The last time the moon was so close – actually, 29 miles closer – was in January 1948.

Read Tim Hunter’s Sky Spy column in Caliente on Thursdays. The Associated Press contributed to this report

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