Astronomy Picture of the Day

Aurora Over a Communications Tower


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zorg.ch
#50723 by @ 29.09.2004 00:00 - nach oben -
Aurora Over a Communications Tower

Explanation: Higher than highest communications tower, higher than highest mountain, higher than highest airplane, lies the realm of the aurora. Auroras rarely reach below 60 kilometers, and can range up to 1000 kilometers. Aurora light results from energetic electrons and protons striking molecules in the Earth's atmosphere. Commonly, when viewed from space, a complete aurora will appear as a circle around one of the Earth's magnetic poles. Pictured above is a particularly rare purple auroral corona that occurred on August 30, high above Harstad, Norway.

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zorg.ch
#50749 by @ 29.09.2004 07:57 - nach oben -
wiä chönt mä da mitäm sonic sinerä mueter in verbindig setzä ?
zorg.ch
#50751 by @ 29.09.2004 08:00 - nach oben -
de "turm" do isch e bartstopple vo ihre
zorg.ch
#50755 by @ 29.09.2004 09:28 - nach oben -
De "Turm" isch öppis ganz anders.
zorg.ch
#50759 by @ 29.09.2004 09:40 - nach oben -
uh, wenn du meinsch. das söttisch aber mol untersueche loh, das lüüchte am spitz isch glaub nöd normal.
zorg.ch
#50766 by @ 29.09.2004 10:34 - nach oben -
a mim scho
zorg.ch
#50798 by @ 29.09.2004 18:43 - nach oben -
vo wo weisch jetzt du da?