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Scientists investigate strange cosmic signal with unusual repeating pattern
The ASKAP radio telescope in Australia detected the ASKAP J1935+2148 signal, which has a pulsation period of 53.8 minutes.
"What is intriguing is how this object displays three distinct emission states, each with properties entirely dissimilar from the others," said Dr. Manisha Caleb, lead author of the study, in a statement. The stellar remnant that remains is so dense that it packs 1.4 times the mass of our Sun into a ball just 20 kilometers (12.4 miles) across, making them the second most-dense objects in the universe after black holes. "It might even prompt us to reconsider our decades-old understanding of neutron stars or white dwarfs; how they emit radio waves and what their populations are like in our Milky Way galaxy," Dr Caleb said.
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