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Science and Technology "Somewhere, something incredible is waiting to be known." - Carl Sagan.

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Old October 4 2014, 01:33 AM   #1
Dryson
Lieutenant Commander
 
DG Canum Venaticorum Enormous Solar Flare

http://www.space.com/27319-red-dwarf...asa-swift.html

The biggest flare we've ever seen from the sun occurred in November 2003 and is rated as X45," Stephen Drake, an astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Maryland, said in a statement. "The flare on DG CVn, if viewed from a planet the same distance as Earth is from the sun, would have been roughly 10,000 times greater than this, with a rating of about X100,000

Really cool and interesting.
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Old October 4 2014, 06:47 PM   #2
publiusr
Commodore
 
Re: DG Canum Venaticorum Enormous Solar Flare

They can get larger--as in what is seen what with variable stars.

Part of me wonders if that is due to a companion, but perhaps not.
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Old October 4 2014, 08:36 PM   #3
scotthm
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Re: DG Canum Venaticorum Enormous Solar Flare

Dryson wrote: View Post
Really cool
No, really hot.
The eruption's temperature reached 360 million degrees Fahrenheit
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Old October 5 2014, 01:31 PM   #4
Metryq
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Re: DG Canum Venaticorum Enormous Solar Flare

publiusr wrote: View Post
They can get larger--as in what is seen what with variable stars.
Yes, such as FG Sagittae, V838 Monocerotis, V605 Aquilae and V4334 Sagittarii. Fits in perfectly with stellar theory. /s
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