Tuesday, November 07, 2006

Solar Shockwaves


Heliotown has an incredible binaural recording of the radio emissions from a solar flare:

There was a C8.8 solar X-ray flare today that caused moderate to strong Type II bursting from 1740 to 1749 UT. This flare event is still being analyzed as I write. Below is an audio file recorded in stereo of the strongest part of this solar shockwave event that occurred between 1744 UT and 1748 UT. Recorded at 18.7 MHz one one channel and 22.2 MHz on the other channel. This was a particulary fast Type II radio burst event recorded traveling from the Sun at 2230 kilometres per second! It sounds like a freight train rolling through.
Check out their other audio links, too, which include the burning of Zozobra and the insertion of a leap second in the WWV UTC broadcasts. (Site recordist Thomas Ashcraft and I were obviously separated at birth.)

5 comments:

Silleigh said...

Dude. If there's one thing I like better than nudibranchs, it's planets and stars and other big round and not-so-round things in the sky. (I used to have dreams that I was flying in 'scapes that looked like Yes album covers.)

Beautiful photo. This almost makes up for One Bank.

Nanette said...

Okay... that burning of Zozabra thing is really weird, but fascinating. Especially since the effigy burning part was apparently conceived in more "modern" times, but reaches back to the more ancient traditions.

I guess we'll never really get over our desire (or need) for sin eaters, scapegoats, sacrifices and saviors to take on our sins/troubles, bad crops, etc in our stead.

Still, a sort of freaky tradition, although I guess we can be thankful that the ritual burning is just of an effigy ;). Reminds me, though, of that awful short film, The Lottery, that they forced generations (or at least my generation) of children to watch in school.

Great sounds, by the way. Between solar flare radio emissions, the chattering of undersea creatures and the sounds of wind and storms, (and other such things) I could make the perfect CD.

Phila said...

Okay... that burning of Zozabra thing is really weird, but fascinating. Especially since the effigy burning part was apparently conceived in more "modern" times, but reaches back to the more ancient traditions.

Yeah, it's pretty much a product of the 1920s NM artist community.

I went every year, for a while. I'm not a big fan of crowds, usually, but I always found Zozobra exhilarating. I actually have a recording I made of it myself, somewhere...

Nanette said...

I'm not a big fan of crowds either and, somehow, I doubt being in the midst of one chanting "burn him, burn him" would increase my comfort level.

Must be one of those "you had to be there" things. ;)

It does sound fascinating tho.

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