APOD: 2026 September 20 - Analemma over the Callanish Stones
APOD Science APOD APOD: 2026 September 20 - … 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. Analemma over the Callanish Stones Explanation: If you went outside at the same time every day and took a picture that included the Sun, how would the Sun’s position
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A pair of grey squirrels was reportedly brought to the United Kingdom by a Cheshire banker in 1876.
A massive crater on Mars’ moon Phobos may hide a dense region of compressed material that could reveal whether the moon …
Researchers may have solved a long-running mystery surrounding the Dead Sea Scrolls by proposing that the Qumran sect re…
Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in…
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