Unknown objects at the heart of the Milky Way are beaming radio waves, then disappearing

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Radio waves bursting from the center of the Milky Way, then disappearing, might reveal a new type of star if astronomers could just nail them down.

Sebastian Zentilomo/University of Sydney

"Unfortunately, we don't quite know what behaves like that," Tara Murphy, a professor at the University of Sydney who led Wang's research team, told Insider. The central region of the Milky Way galaxy, as imaged by the Hubble Space Telescope, the Spitzer Space Telescope, and the Chandra X-ray Observatory in 2009.Murphy is"100% confident" that the signals aren't coming from aliens, because technological signals would cover a much narrower range of frequencies, like humans' broadcast radios do.

Hyman and his colleagues had discovered the first GCRT. Within three years, the team found another, which they nicknamed"the burper" for the radio bursts it sent out every 77 hours before disappearing.

 

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