Our Universe is positively thrumming, and so was the astrophysics community when members of the International Pulsar Timing Array (IPTA) made coordinated announcements in June of this year revealing signals consistent with a statistically random or stochastic gravitational wave background. The data behind the announcement and some of their implications are described in more detail in these bites. For the purposes of today’s bite, we’ll wander a bit further afield: what does this same data say about dark matter in our galaxy?
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