Wednesday, March 2, 2011

[Geology2] Magnetic storm in progress (from Spaceweather.com)

Magnetic storm in progress (from Spaceweather.com)

MAGNETIC STORM IN PROGRESS: A solar wind stream hit Earth's magnetic
field during the early hours of March 1st. The impact sparked a
geomagnetic storm that was, at first, minor, but the storm has been
intensifying throughout the day. Spotters are now reporting auroras over
Northern Ireland, Latvia, Norway, and Sweden. If trends continue, the
display could spread to the high latitudes of North America after
nightfall. Stay tuned!

[Aurora alerts: phone, text] NASA space physicist James Spann sends this
picture from Poker Flat, Alaska, where he is attending a scientific
conference to study auroras:

"This is the first time I have seen the aurora borealis in person," says
Spann who lives in Alabama. "It was fantastic--the greatest light show
on Earth. It was cold (<-20 F) outside but worth every minute of
exposure and lost sleep. I am afraid now that I have been ruined for
life since my first personal viewing of the aurora was so amazing." As a
researcher he also appreciated the greater meaning of the display: "This
is the most obvious and accessible evidence of the connectivity that
Earth has with our star the sun. Witnessing the connectivity first-hand
was particularly special to me." more images: from Paul Evans of Larne,
Northern Ireland; from Janis Satrovskis of Burtnieki, Latvia; from
Markus Tingsnäs of Rättvik, Sweden; from Greger Lissollas of
Rättvik, Sweden; from B.Art Braafhart of Salla in the Finnish
Lapland; from Michael Jones of Anchorage Alaska;

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