"First quasars and their nuclear proprties" by L. Zappacosta (INAF-OAR)

Round-12 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality ranking (tier A) passed; strict per-title check + final strict pass; oEmbed verified.

A 36-minute video from AHEAD 2020: “"First quasars and their nuclear proprties" by L. Zappacosta (INAF-OAR)”.

Video by AHEAD 2020, played through YouTube's embedded player.