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'Supermoon' Will Light Night Sky This Weekend

Science & Tech  (tags: astronomy, space, moon, supermoon, full moon, science, interesting )

- 2209 days ago -
A so-called supermoon will brighten the night sky Saturday, though it might not be quite as super as some people believe.

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Michael O (176)
Saturday May 5, 2012, 8:09 am
Supermoons occur when the moon's closest approach to the Earth known as perigee coincides with a full moon. The moon has an elliptical orbit with one side about 50,000 kilometres closer than the other.

The perigee and the full moon occur within a minute of each other Saturday night (at about 11:35 p.m. ET), and the moon will seem as much as 14 per cent bigger and 30 per cent brighter than other full moons this year, NASA says.

The average distance between the Earth and the moon is about 383,000 kilometres. On May 6 it will be about 356,955 kilometres away.

While that news will undoubtedly get the curious or romantic gazing skyward, experts say the difference is harder to perceive than it sounds.

"Hanging high overhead with no reference points to provide a sense of scale, one full moon can seem much like any other," NASA Science says on its website.

Eric Briggs, a volunteer with the Royal Astronomical Society of Canada's Toronto Centre, said the moon will be "measurably brighter, but not perceptibly brighter."

Supermoons happen about once a year on average the March 19, 2011, supermoon drew lots of attention from stargazers and photographers.

Briggs said someone with a high-quality camera might notice the difference, but the average person would have a hard time perceiving a change from month to month.

NASA said the best time to look will be when the moon is near the horizon, to take advantage of the illusion that makes the moon seem bigger. (Many people in northern temperate latitudes take note of the moon illusion in June when it appears near the southern horizon.)

NASA says most major studies show no correlation between the moon and negative human behaviour. Nevertheless, some myths link full moons to increased crime and, in the case of supermoons, to natural disasters.

The supermoon does affect the world's tides, but only by a few centimetres. Briggs said that effect will be more pronounced in areas such as the Bay of Fundy, but not enough for anybody to worry about.

"As far as the end of the world, not much risk of that," he said.

If anything, Briggs said, full moons keep astronomers inside because the dimmest celestial bodies are no longer visible. He's still happy for the attention the supermoon brings, though.

"Any time anyone is interested in looking at the night sky, they're probably going to see something they find fascinating," he said.

Cecily P (4)
Saturday May 5, 2012, 10:56 am

Roger G (154)
Saturday May 5, 2012, 2:33 pm
noted thanks !

Nicole m (8)
Saturday May 5, 2012, 9:06 pm
I was so excited to view this "super-moon" but unfortunatley, it is very cloudy and I cant see it ! What ashame! Thanks for sharing .

KS Goh (0)
Sunday May 6, 2012, 3:05 am
Thanks for the article.

cindy g (9)
Sunday May 6, 2012, 4:04 am
saw it last night as it was very clear here - it seemed huge!

Quanta Kiran (67)
Sunday May 6, 2012, 4:40 am

Past Member (0)
Sunday May 6, 2012, 4:40 am
thank you

Past Member (0)
Sunday May 6, 2012, 5:16 am
Thanks for the update.

. (0)
Sunday May 6, 2012, 5:32 am
It has been pretty cloudy here but I managed to catch sight of the moon last night and in honesty if didn't look any different. Since I have moved out of a city London (England) to the country side I have been amazed how many more stars I can see without the light pollution that normally makes seeing anything but the brightest stars almost impossible to see.

Kay M (347)
Sunday May 6, 2012, 9:27 am

M B (62)
Sunday May 6, 2012, 11:18 am
no supermoon here in Belgium.

christine s (340)
Sunday May 6, 2012, 6:07 pm
we often see a huge moon,very low and very very orange ( no it's not the sun ).

christine s (340)
Sunday May 6, 2012, 6:12 pm
We see all sorts of strange lights and things zapping across the sky ,definitely not planes.

Veronica C (22)
Sunday May 6, 2012, 7:03 pm
From my vantage point, it looked a little bigger, but I've seen it bigger on the horizon. It was brighter though. It called our attention to look up now and then.

Lydia Weissmuller Price (181)
Monday May 7, 2012, 6:07 am
I didn't get to see it. It rained here.

Veronica C (22)
Monday May 7, 2012, 6:35 pm
Moon Views from Around the World

Carole K (195)
Sunday May 13, 2012, 10:12 am
It was beautiful.... ever more relying & trusting Michael's science & tech expertise & reliable news sources. TY, for the article, Michael.

Glamour Girlcat (32)
Sunday May 20, 2012, 11:20 pm
The Jellicle Moon was shining bright as alleys all over the world rocked in celebration. All the CATS did the Jellicle Moonwalk and a purrfect time was had by all!
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