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bison

Is Jupiter's Great Red Spot Unraveling?

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bison
Posted (edited)

Jupiter's Great Red Spot, conspicuous for centuries, has been growing smaller for several decades. It used to be three times the size of Earth, now it about matches the size  of our planet. Recent observations show it now sheding plumes or streamers on a weekly basis. As a storm, it could very well have a limited life-time. Could we be seeing its final break-up, occurring at an accelerated pace?

Please see the linked article below for further details, including images:

https://spaceweatherarchive.com/2019/05/20/is-the-great-red-spot-unraveling/   

Edited by bison
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bison

More news on the apparent changes in Jupiter's Great Red Spot-- One observer, making photographs at various wavelengths,  reports that the spot appears distorted in shape. A second online publication confirms that the phenomenon has been seen by a number of observers. It describes a spiral streamer that appears to be carrying away colored material from the spot. It reaches around from below the spot, up and back in the opposite direction.  It's indicated that the action should be visible, to some extent, even in relatively modest-sized telescopes.

Please see the linked article below for further information, and images.

https://www.skyandtelescope.com/astronomy-news/jupiters-great-red-spot-unfurls-see-it-in-your-scope/

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bison
Posted (edited)

Images over the last couple of days show the Great Red Spot visibly altered in shape. It appears flatter then it did before.  Its long axis no longer appears horizontal, but points down a bit on the right hand side.It might be that a substantial portion of the spot is working loose from the rest, preparatory to being carried away by the furious winds on Jupiter. If this were to happen, it would probably follow the same spiral pattern as seen in previous, smaller plumes of material. 

A recent image showing this effect is linked below:

http://spaceweathergallery.com/indiv_upload.php?upload_id=153735

Edited by bison

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