Stellar streams and the dark Universe

Stellar streams and the dark Universe

When the general public speaks about dark matter, most of the discussion centers on the topic of whether dark matter exists or not: on whether it’s real. But in astrophysical circles, we’re overwhelmingly confident of dark matter’s existence, as we’ve indirectly detected it through an enormous number of independent lines of evidence. Instead, the conversation normally focuses on how to identify and characterize it, with a particular interest in …