Spaceweather Sunday

SOUTHERN LIGHTS FROM THE STRATOSPHERE: Last night, there were no geomagnetic storms. A research aircraft in the stratosphere saw auroras anyway. “Last night, I was a guest on a flight of SOFIA (the Stratospheric Observatory for Infrared Astronomy) out of Christchurch New Zealand,” reports astronomer Ian Griffin. “Our flight path took us down to latitude 61 in the general direction of the magnetic pole.” Before long, green lights were shimmering across the southern Milky Way:

“Despite a low Kp value of 1, lady aurora graced the southern sky as the astronomers aboard SOFIA collected their precious data. I even got to take some pictures of auroras from the cockpit,” says Griffiths.

The high-flying astronomers witnessed Earth’s persistent southern auroral oval, a ring-shaped region surrounding the south pole where the geomagnetic field guides solar wind particles down onto the upper atmosphere. This extraterrestrial rain may ebb, but it never stops. Inside the oval, sputtering auroras can suddenly blossom into magnificent sprays of green and purple light–no geomagnetic storm required.


About Den

Always in search of interesting things to post. Armed with knowledge and dangerous with the ladies.
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13 Responses to Spaceweather Sunday

  1. David B. Benson says:

    Informative essay today.

    Happy Dad’s Day.


  2. Den says:

    DWF wishes to take the time to congratulate all the Fathers out there (Catholic priests excepted) on Fathers Day 2018. CHEERS!!


  3. Den says:

    Well Press the Meet led with a 20 minute interview with Kelly Conway (barf) which I muted, later Face the Nation led with Goulianai (double barf) for 15 minutes which I also muted, Idiots lead all others get in line.


    • °¿º Carol says:

      There ya go, it’s why I stopped watching those shows. Too many damn republicans. They get enough airtime on FOX. *phyttt*


  4. David B. Benson says:

    Sitting in the grocery store having 8 less than fully satisfactory California rolls. The in-store sushi bar is nowhere as good as the original operator provided. Clouds 100% today but no rain predicted.

    Still, feeling much better than the past few days.


  5. David B. Benson says:

    Just as I started up the Missouri Flat Creek trail the sun came out so I was overdressed. Observed a ladybird beetle, a pseudo-Monarch butterfly, a juvenile Swainson’s hawk trying for a thermal and failing. So far 71 minutes to the Old Post Office.


    • David B. Benson says:

      Took a break before starting up College Hill Climb. There are 2 park benches in a mini park just before the start. All told, 103 minutes so going home on a full stomach was sloow.


  6. °¿º Carol says:

    I put the A/C on about 10:30 this morning. It’s still on. I think it got up to 90° here at the ranch. Humidity just before I turned it on was 73%. *phew*

    Went for lunch and Margaritas and Pete and family joined Jill and I. Had a great time. Jill wanted to sit out on the patio, no way. Not today! When we left and the heat hit us, she was glad we didn’t.

    It’s time for my walk, going to be hell when I walk outside but I’ll adjust.


  7. °¿º Carol says:

    Wasn’t that bad outside. Temp had dropped to 80° when I went out, and there was a bit of a breeze. I’ll be jumping in the shower in a little while, will feel great after that. In the old days, like a year and more ago, I would have gone out and jumped in the pool to cool down.


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