Supermoon 2017: Here's how to watch it

Mandy Carr
Декабря 3, 2017

By some measures, Sunday night's full moon is the only supermoon of 2017. "Sometimes during the year we get an opportunity to see the full moon when it is at its closest point and that's what we'll be seeing on December 3".

Supermoons of all sizes happen because the moon's orbit is not quite circular and the Earth isn't quite at the center of it.

On Saturday, the distance between the earth and moon was 3,57,492 km. "The difference in distance between these close and far points can be as much as about 30,000 miles". When a full moon is closer to our planet, the tide levels are often higher.

The first visible supermoon in just about a year takes place this weekend, giving stargazers a rare glimpse to view the moon at its biggest and brightest.

The best time to see it will be as the moon rises just after sunset, according to National Geographic.

Still, Sunday's supermoon - a nonscientific term that refers to when a full moon coincides with its perigee, the point in its orbit when it makes its closest approach to Earth - should appear larger and brighter than usual.

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Too busy to for moon viewing on Sunday?

"It is said that the moon appears larger because we compare it with terrestrial objects such as trees or buildings".

Going to miss Sunday's supermoon?

"When you look at it from near the horizon, there's an optical illusion", says Nichols. This is known as the moon illusion and the moon hasn't grown; it's a trick your eyes are playing on you.

And this will be a particularly bright supermoon for the United States, thanks to the more intense sunlight that reflects off the moon in winter, NASA said. "But it's another great chance to watch the Moon".

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