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Астронет: Астрономическая картинка дня Ночное северное сияние http://variable-stars.ru/db/msg/1180648/eng |
Credit & Copyright: Juha Kinnunen
Explanation:
For much of the month of October, traveling shock waves
from the Sun and
solar wind gusts have buffeted
planet Earth's magnetosphere.
As a result, skywatchers at high latitudes in the northern hemisphere
were treated to many
displays of the
aurora borealis or northern lights.
For example, on the first of October this
particularly ghostly
apparition was photographed
looming above the horizon near the town
of Inari in northern Finnish Lapland.
But the solar wind is dying down for now.
So if you just happen to be out tonight and you see such a specter
haunting your skies ... it may not be
an
aurora.
Have a safe and
happy
Halloween!
Authors & editors:
Robert Nemiroff
(MTU) &
Jerry Bonnell
(USRA)
NASA Web Site Statements, Warnings,
and Disclaimers
NASA Official: Jay Norris.
Specific
rights apply.
A service of:
LHEA at
NASA /
GSFC
& Michigan Tech. U.