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APOD: 2026 October 27 – Noctilucent Clouds over Sweden
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APOD: 2026 October 27 –…
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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.
Noctilucent Clouds over Sweden
Explanation: Sometimes it’s night on the ground but day in the air. As the Earth rotates t
Science
APOD
APOD: 2026 October 27 –…
Today’s APOD
Archive
Submissions
Index
Search
Calendar
RSS
Education
About
Discuss
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.
Noctilucent Clouds over Sweden
Explanation: Sometimes it’s night on the ground but day in the air. As the Earth rotates t
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