identity crises
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Binary Star System May Actually Be A Pair Of Orbiting Supermassive Black Holes
Oops! Andromeda, our closest galactic neighbour, sits a measly 2.5 million light years away from Earth. Like the Milky Way, it’s a spiral galaxy packed with stars. Some of those stars orbit one another. That’s all good – but scientists have come to the realisation that a particular light source, one assumed to be binary…