APOD on Nostr: **Astronomy Picture of the Day** 07 August 2025 **The Double Cluster in Perseus** ...
**Astronomy Picture of the Day**
07 August 2025
**The Double Cluster in Perseus**
Image Credit & Copyright: Ron Brecher
This stunning starfield spans about three full moons (1.5 degrees) across the heroic northern constellation of Perseus. It holds the famous pair of open star clusters, h and Chi Persei. Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. Separated by only a few hundred light-years, the clusters are both 13 million years young based on the ages of their individual stars, evidence that both clusters were likely a product of the same star-forming region. Always a rewarding sight in binoculars or small telescopes, the Double Cluster is even visible to the unaided eye from dark locations.
#APOD #Stellar #AstronomyLovers #NASAInspires #CosmosJourney
https://apod.nasa.gov/apod/ap250807.htmlPublished at
2025-08-07 04:07:27 GMTEvent JSON
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"content": "**Astronomy Picture of the Day**\n\n07 August 2025\n\n**The Double Cluster in Perseus**\n\nhttps://apod.nasa.gov/apod/image/2508/DoubleClusterBrechersmall.jpg\n\nImage Credit \u0026 Copyright: Ron Brecher\n\nThis stunning starfield spans about three full moons (1.5 degrees) across the heroic northern constellation of Perseus. It holds the famous pair of open star clusters, h and Chi Persei. Also cataloged as NGC 869 (right) and NGC 884, both clusters are about 7,000 light-years away and contain stars much younger and hotter than the Sun. Separated by only a few hundred light-years, the clusters are both 13 million years young based on the ages of their individual stars, evidence that both clusters were likely a product of the same star-forming region. Always a rewarding sight in binoculars or small telescopes, the Double Cluster is even visible to the unaided eye from dark locations.\n\n#APOD #Stellar #AstronomyLovers #NASAInspires #CosmosJourney\n\nhttps://apod.nasa.gov/apod/ap250807.html\n",
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