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URSY.NEWS / Events

APOD: 2026 September 21 – Cocoon Nebula Wide Field

Representative publisher headline · NASA

1 publishers · 1 current feed items · Standalone feed item

These publisher-feed items appear to concern the same event. Publisher counts describe observed coverage, not truth, consensus or completeness.

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Coverage

N NASA

APOD: 2026 September 21 – Cocoon Nebula Wide Field

APOD Science APOD APOD: 2026 September 21 –… 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. Cocoon Nebula Wide […]

science.nasa.gov

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Original publisher headlines side by side. Access labels describe the publisher and do not guarantee the access status of an individual article.

NASA

APOD: 2026 September 21 – Cocoon Nebula Wide Field

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Timeline and what changed

This is a timeline of URSY feed observations and grouping corrections. It is not necessarily the chronology of the real-world event. Historical stories may have been grouped after their original first-seen time.

  1. Event grouping created

    Recorded by grouping algorithm

  2. Feed item joined this group · NASA

    Recorded by grouping algorithm

  3. Publisher joined this group · NASA

    Recorded by grouping algorithm

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Provenance

URSY groups publisher-feed metadata. It does not fetch or republish full article bodies. Read the original reporting through the publisher links above. Text and image rights stay with the publishers; API access grants no republication rights.

The label is a deterministically selected publisher headline. Group membership can be corrected, and changes remain visible in the observation log. The archive retains up to 400 items per configured source feed; a publisher may have several feeds; older member text may no longer be available.

Event identifier
evt_9781e1aca672318224d51a6e93d695c9
Grouping version
event-cluster-v1.0.2
Correction status
no_manual_corrections

Event descriptor and provenance data · Collection and event health