S8 Ep692: 2. Headline: Galactic Stability and the Proof of the Halo Guest Author: Govert Schilling Summary: The discussion shifts to Jeremiah Ostriker, who theorized that spherical halos of unseen matter are necessary to keep rotating galaxies stable. Vera Rubin an

4/4/2026

The John Batchelor Show

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2. Headline: Galactic Stability and the Proof of the Halo Guest Author:Govert Schilling Summary: The discussion shifts to Jeremiah Ostriker, who theorized that spherical halos of unseen matter are necessary to keep rotating galaxies stable. Vera Rubin and Kent Ford provided observational proof by discovering that galactic rotation curves do not "dwindle down" at the edges. Today, the Vera Rubin Observatory in Chile continues mapping this distribution. (2)
NOVEMBER 1931

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S8 Ep692: 2. Headline: Galactic Stability and the Proof of the Halo Guest Author: Govert Schilling Summary: The discussion shifts to Jeremiah Ostriker, who theorized that spherical halos of unseen matter are necessary to keep rotating galaxies stable. Vera Rubin an

The John Batchelor Show

More episodes from "The John Batchelor Show"

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