
The Reach of a Giant | A Black Hole Story
Astronomy Daily S05E154 — “The Reach of a Giant.” Thursday, 30 July 2026. Hosted by Anna and Avery. In this episode • A supermassive black hole caught heating and stirring an entire galaxy cluster — turbulence reaching ~300,000 light-years, about 100× more energetic than expected (XRISM / quasar H1821+643). • Why some “clean” white dwarfs are secretly feasting: magnetic fields funnel shredded planetary debris to the poles, aurora-style, hiding the meal. • NASA’s Psyche used its Mars flyby as a dress rehearsal — spotting Phobos and Deimos from afar to practise for its 2029 moonlet hunt at…
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