APOD: 2026 October 28 – The Mutual Occultation of Ganymede and Io

APOD Science APOD APOD: 2026 October 28 – The… 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. To view […]

APOD: 2026 October 27 – Noctilucent Clouds over Sweden
APOD: 2026 October 27 – Noctilucent Clouds over Sweden

APOD 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 […]

2026 October 26 – M42: The Great Nebula in Orion
2026 October 26 – M42: The Great Nebula in Orion

APOD Science APOD 2026 October 26 – M42: The… 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. M42: The […]

APOD: 2026 October 25 – Dark Matter in a Simulated Universe
APOD: 2026 October 25 – Dark Matter in a Simulated Universe

APOD Science APOD APOD: 2026 October 25 – Dark… 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. Dark Matter […]

APOD: 2026 October 24 – Rosetta’s Selfie
APOD: 2026 October 24 – Rosetta’s Selfie

APOD Science APOD APOD: 2026 October 24 –… 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. Rosetta’s Selfie Explanation: […]

APOD: 2026 October 23 – Andromeda in Southern Spring
APOD: 2026 October 23 – Andromeda in Southern Spring

APOD Science APOD APOD: 2026 October 23 –… 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. Andromeda in Southern […]

APOD: 2026 October 22 – The First Green Star, WD J1330+6435
APOD: 2026 October 22 – The First Green Star, WD J1330+6435

APOD Science APOD APOD: 2026 October 22 – The… 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. The First […]

APOD: 2026 October 21 – New Ghosts Revealed in Cassiopeia
APOD: 2026 October 21 – New Ghosts Revealed in Cassiopeia

APOD Science APOD APOD: 2026 October 21 – New… 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. OriginalAnnotated New […]

APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan
APOD: 2026 October 20 – An Anticrepuscular Rainbow Fan

APOD Science APOD APOD: 2026 October 20 – An… 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. An Anticrepuscular […]

APOD: 2026 October 19 – Treble Clef: Unusual X-ray Hot Radio Source
APOD: 2026 October 19 – Treble Clef: Unusual X-ray Hot Radio Source

APOD Science APOD APOD: 2026 October 19 –… 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. Treble Clef: Unusual […]