Something Strange Punched a Hole in the Milky Way. But What Exactly Is It?
Credit: Shutterstock There’s a “dark impactor” blasting holes in our galaxy. We can’t see it. It might not be made of normal matter. Our telescopes haven’t directly detected it. But it sure seems like it’s out there. “It’s a dense bullet of something,” said Ana Bonaca, a researcher at the Harvard-Smithsonian Center for Astrophysics, …
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