APOD: An Aurora of Marbles (2015 Feb 07)

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APOD Robot
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APOD: An Aurora of Marbles (2015 Feb 07)

Post by APOD Robot » Sat Feb 07, 2015 5:11 am

Image An Aurora of Marbles

Explanation: It looks like a fine collection of aggies. But this grid of embedded swirls and streaks actually follows the dramatic development of planet Earth's auroral substorms. The sequence of over 600 horizon-to-horizon fisheye images was taken over a 2 hour period near the artic circle in March of 2012 from Lapland, northern Sweden. It begins at upper left in evening twilight and ends at lower right, covering two activity peaks with bright coronae forming overhead. While exploring space between Earth and Moon, NASA's fleet of THEMIS spacecraft discovered that these explosions of auroral activity are driven by sudden releases of energy in the Earth's magnetosphere. Even if you're not playing for keepsies, you can follow this link to check out the sequence in a full timelapse video (vimeo).

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aliendon

Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by aliendon » Sat Feb 07, 2015 6:07 am

You know, if you look just right at the array of pictures, they can appear in 3D. Just let your eyes relax and it will appear!

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Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by Boomer12k » Sat Feb 07, 2015 11:42 am

Interesting way to keep track....

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Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by Boomer12k » Sat Feb 07, 2015 11:44 am

aliendon wrote:You know, if you look just right at the array of pictures, they can appear in 3D. Just let your eyes relax and it will appear!
Yes....the brighter green seem more forward for me....

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Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by BDanielMayfield » Sat Feb 07, 2015 12:28 pm

Be sure to
APOD Robot wrote:follow this link to check out the sequence in a full timelapse video (vimeo).
Outstanding :!:
"Happy are the peaceable ... "

jambo

Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by jambo » Sat Feb 07, 2015 1:48 pm

Watching the time lapse video gives the sensation of being a figurine in a snow globe and someone just shook it!

Grigor Chery

Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by Grigor Chery » Sun Feb 08, 2015 10:56 am

For some reason, we still see this picture instead of Feb 8th APOD.

Grigor

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Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by owlice » Sun Feb 08, 2015 11:14 am

Yes; the Feb 8th APOD didn't move into production. The editors have been notified, undoubtedly more than once!
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Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by DavidLeodis » Sun Feb 08, 2015 1:28 pm

The term 'aggies' for marbles is one that I didn't know. I guess it may be that some were made of agates. The marbles I played with as a child were glass and known as taws/tors. The largest ones were known as stonkers and bollys, though there will have been other names that I've forgotten now due to me gradually losing my marbles :wink:.

Intriguing APOD image and a nice video as well. :)

drWorm

Re: APOD: An Aurora of Marbles (2015 Feb 07)

Post by drWorm » Sun Feb 08, 2015 2:29 pm

Anyone notice that it is now February 8th? What happened to today's APOD?