According to the model, dark matter may have started as particles that were hot, light, massless, and fast. As the universe ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...
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