MIT scientists have made a surprising discovery about the way the Milky Way rotates, which challenges our understanding of dark matter. By studying the speed of stars across the galaxy, they have found a potential shortage of dark matter at the core of the galaxy. This new analysis suggests that the Milky Way’s center of gravity may be less massive than previously believed.
What exactly is dark matter? Scientists think it is a theoretical substance in the universe that helps to explain the rotation of galaxies. Dark matter is believed to consist of particles that do not interact with light, making them impossible to observe directly. The only way to identify dark matter is by observing its gravitational effects on visible matter, such as stars and galaxies.
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