The galaxy with 99.99% dark matter isn’t so mysterious any more

The galaxy with 99.99% dark matter isn’t so mysterious any more
By Paul M. Sutter

The dwarf galaxy known as Dragonfly 44 caused a stir recently: apparently it had way, way more dark matter than any other galaxy. Since this couldn’t be explained by our models of galaxy formation, it seemed like an oddball. But a new analysis reveals that Dragonfly 44 has much less dark matter than previously thought. …

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October 19, 2020 at 11:41PM
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