Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesBinary pairings of small black holes could be used by astronomers in a cosmic game of"hide-and-seek" to hunt much larger, yet more elusive, supermassive black hole binaries. The technique could, therefore, help solve the mystery of how supermassive black holes grew so fast in the early universe.
As these black holes spiral around each other, they emit continuous low-frequency gravitational waves. These gravitational waves carry away angular momentum , forcing the black holes together, a process called"inspiralling." This increases the frequency of the gravitational waves, thus causing angular momentum to be carried away faster and faster.
This team proposes detecting the subtle change in gravitational waves from stellar-mass black hole binaries that are caused by interfering gravitational waves from supermassive binaries. "The novel aspect of this idea is to utilize high frequencies that are easy to detect to probe lower frequencies that we are not sensitive to yet," Stegmann said.
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