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-   -   4/15/2004: Solar prominence (http://cellar.org/showthread.php?t=5558)

Undertoad 04-15-2004 12:53 PM

4/15/2004: Solar prominence
 
http://cellar.org/2004/sunprom2_soho.jpg

A recent Astro pic of the day. This is our Sun, and that "thingie" coming off it like some cellophane wrapper is called a solar prominence.

Not to be confused with the Senior Promenade.

What happens is that the Sun lets out a big fart of solar gases, you see, but somehow the Sun's magnetic field keeps it close in, nearby, where it just sort of... lingers. For up to a month.

How big a fart: turns out the entire Earth could fit in that space between the Sun and the fart.

What happens next is that the fart is ejected out into space. It becomes "magnetically unstable", and is spat out like a giant balloon letting off. This process takes anywhere from tens of minutes to hours to complete. but when you consider that the whole fart is 300000 km (187000 miles) long, well, lets just say it's bookin'.

It's really pretty for a fart and that's why I picked it.

Cochese 04-15-2004 12:55 PM

Pictures of the sun are amazing. Almost looks like an artist's rendition, it's so clear.

MachineyBear 04-15-2004 12:56 PM

Finally I have something else to blame my farts on.

e unibus plurum 04-15-2004 01:37 PM

yikes -- I hate ones that burn at both ends!:mad:

tjennings 04-15-2004 02:13 PM

SBD - Shining, but deadly

Leah 04-15-2004 05:03 PM

Wow, now that's the kinda technical stuff I understand. Non of those scientific names. See TB told you you'd love this site.
:D

Pearcie (AUS) 04-15-2004 06:11 PM

Props to UT
 
I'd like to give props to UT for the best 'scientific' explanation of anything, anywhere, ever.

Leah 04-15-2004 06:18 PM

Ditto ;)

xoxoxoBruce 04-15-2004 06:39 PM

Undertoad = The new and improved, Mr Wizard.:)

lumberjim 04-15-2004 07:05 PM

Quote:

Originally posted by xoxoxoBruce
Undertoad = The new and improved, Mr Wizard.:)
yeah, but i think the fcc would have a problem with him saying "fart" 6 times in one segment.

ladysycamore 04-15-2004 07:15 PM

Quote:

"What happens is that the Sun lets out a big fart of solar gases, you see, but somehow the Sun's magnetic field keeps it close in, nearby, where it just sort of... lingers. For up to a month."
Yikes. Thank goodness it is kept close, or else we'd be space gas. :eek:

Elspode 04-15-2004 07:45 PM

Aren't we glad that *we* don't generate gigantic magnetic fields that contain our farts for tens of minutes to hours?

onetrack 04-15-2004 07:49 PM

That's one hot fart .. and here's me, thinking I've done some arse-burners at times .. :D

Next project for the good scientists, is to tell us EXACTLY, how hot that fart was ....... :)

xoxoxoBruce 04-15-2004 09:31 PM

Quote:

The gas was relatively cool - only 60,000-80,000 Kelvin (110,000 - 145,000 degrees F) compared with the fiery 1.5 million degree K plasma (2.7 million F) surrounding it in the Sun's outer atmosphere, or corona.
You're welcome.;)

Archer 04-15-2004 11:42 PM

Quote:

Originally posted by Elspode
Aren't we glad that *we* don't generate gigantic magnetic fields that contain our farts for tens of minutes to hours?
Um, well actually, I've had it happen once or twice. Melted my shorts right to my arse. Not to mention, my roommates were none to pleased . . . for several hours mind you.


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