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Friday Squid Blogging: The Giant Squid Nebula

ID: e3e94870-701d-5ab5-a841-cb18da15fea1

STIX ID: report--e3e94870-701d-5ab5-a841-cb18da15fea1

Feed Name: Schneier on Security

Date Published: 2025-07-18

Date Updated: 2026-04-19

Author: Bruce Schneier

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A brief astronomy post showcases the Giant Squid Nebula (Ou4), a squid-shaped interstellar cloud distinguished by blue emission from doubly ionized oxygen, possibly situated within the Sh2-129 hydrogen region about 2,300 light-years away. The piece notes that Ou4 may be driven by a triple system of massive stars (HR8119) and could span over 50 light-years.

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