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Ball holes
Scientists say something mysterious has hit gigantic cosmic "bullet holes" in parts of the Milky Way.
According to a study presented to the American Physical Society last month, a long stream of stars called GD-1 suggests that something still unknown would have made its way. Ana Bonaca, the Harvard-Smithsonian astrophysicist, who discovered the cosmic crime scene, suspects the gigantic "bullet holes" of being dug into an invisible dark matter.
whodunnit
Unfortunately, the culprit of this heavenly shootout seems to have escaped – Bonaca said Science live that there is no evidence on the crime scene beyond the size of the holes in the stellar stream.
"We can not map [the impactor] to any bright object that we have observed, "said Bonaca Science live. "It's much more massive than a star … something that looks like a million times the mass of the Sun. So, there are simply no stars of this mass. We can exclude it. And if it was a black hole, it would be a supermassive black hole of the kind that we find at the center of our own galaxy. "
Black hammer
As there is no evidence of such a black hole, Bonaca suspects a ball of dark matter to have struck the stars. But it is too early to definitively exclude any possibility.
"It's a dense ball of something," Bonaca said.
READ MORE: Something strange has pierced a hole in the Milky Way. But what is it exactly?[[[[Science live]
More on dark matter: New map of dark matter breaks scientists' understanding of physics
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