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Astronomy Picture of the Day
January Aurora Over Norway
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zorg.ch
#113536
by
[z]Barbara Harris
@
25.01.2012 00:00
- nach oben -
January Aurora Over Norway
Explanation: What's that in the sky? An aurora. A large
coronal mass ejection
occurred on our Sun five days ago,
throwing a cloud
of fast moving electrons, protons, and ions
toward
the Earth. Although most of this
cloud passed
above the Earth, some of it impacted our Earth's
magnetosphere
and resulted in
spectacular auroras
being seen at high northern latitudes. Pictured above is a particularly photogenic
auroral corona
captured last night above Grotfjord,
Norway
. To some, this
shimmering green glow
of recombining atmospheric
oxygen
might appear as a large
eagle
, but feel free to
share
what it looks like to you. This round of solar activity is not yet over -- a new and even more powerful solar flare occurred
yesterday
that might provide more
amazing aurora
as soon as tonight. Poll:
Should there be an Astronomy Clubs forum on Starship Asterisk?
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