[NASA] APOD: 2026 August 27 – Colorful Aurora over an Icelandic Waterfall

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APOD

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3. APOD: 2026 August 27 –…

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APOD

Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

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Colorful Aurora over Icelandic Waterfall

Explanation: What a sight to behold, when a night sky became filled with colors that appeared to rain over the Skógafoss waterfall in Iceland. This image was taken in a single 

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 by the photographer in April 2025. Seeing an 

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 is on many people’s bucket lists. But it is not easy. It requires high 

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, dark and clear skies, and usually a viewing location at high latitude. That makes the northern lights more easily seen than the corresponding 

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, simply because there is less landmass in the Southern Hemisphere, especially 

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. Auroras are caused by charged particles from the 

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 that are captured by the Earth’s 

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 and guided by the magnetic field to a region close to one of the poles, where they collide with gas particles in the 

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. Different colors indicate interactions with different gases at 

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, like oxygen (

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 and 

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) and nitrogen (

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 and 

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).

APOD’s main NASA site is 

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Tomorrow’s picture: What’s next?

Date	August 27, 2026
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Authors & editors:	Cecilia Chirenti, Robert Nemiroff, Jerry Bonnell, Keighley Rockcliffe
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Random APOD Generator

Yesterday’s Image

APOD: 2026 August 26 – JWST Images The Lion’s Head Nebula

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