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Astronomy Picture of the Day
Rays from an Unexpected Aurora
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zorg.ch
#105223
by
[z]Barbara Harris
@
02.01.2008 00:00
- nach oben -
Rays from an Unexpected Aurora
Explanation:
This aurora was a bit of a surprise.
For starters, on this day in 2002, no intense
auroral activity
was
expected at all.
Possibly more surprising, however, the
aurora
appeared to show an usual structure of green
rays
from some locations.
In
this view
, captured from
North Dakota
,
USA
, a picket fence of green rays stretches toward
the horizon.
Mirroring the
green
rays is a
red
band, somewhat rare in its own right.
Lights from the cities of
Bismarck
and
Mandan
are visible near the horizon.
Note: A German language mirror of APOD is
now available
.
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