7 6 Week 7 6 Halo and Neighbors 521

Full-course playlist 'Introduction to Astronomy' from a curated course list (- Introduction to Astronomy); uploader is instructor; playlist judged: Structured weekly university-level astronomy course covering positional astronomy through cosmology with substantive lecture lengths and descriptive titles.; title passed a strict title check; oEmbed verified.

A 5-minute video from Arindam Kumar Chatterjee: “7 6 Week 7 6 Halo and Neighbors 521”.

Video by Arindam Kumar Chatterjee, played through YouTube's embedded player.