S8 Ep855: During the 1960s, theorists like Jeremiah Ostriker used early computers to determine that spiral galaxies would be unstable and "fly apart" without a massive spherical halo of unseen matter. This theoretical need found concrete evidence through the pionee

May 11, 202610m 20s

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S8 Ep855: During the 1960s, theorists like Jeremiah Ostriker used early computers to determine that spiral galaxies would be unstable and &quot;fly apart&quot; without a massive spherical halo of unseen matter. This theoretical need found concrete evidence through the pionee

S8 Ep855: During the 1960s, theorists like Jeremiah Ostriker used early computers to determine that spiral galaxies would be unstable and "fly apart" without a massive spherical halo of unseen matter. This theoretical need found concrete evidence through the pionee