Now imagine another planet where intelligent life appeared one million years, 10 million years or 100 million years before us. Such a civilization would already have had an extraordinary amount of time to develop. Such a civilization could theoret…
APOD: 2026 September 5 – Chasing the Moon’s Shadow
APOD Science APOD APOD: 2026 September 5 –… 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. Chasing the Moon’s […]
APOD: 2026 September 5 – Chasing the Moon’s Shadow
APOD Science APOD APOD: 2026 September 5 –… 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. Chasing the Moon’s […]