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It tells you that there's a steam engine, but it's energetically insignificant. They say that because this second repeater was found relatively easily, there are likely to be a "substantial population of repeating FRBs. For four days, it will spit out a burst or two every hour. The observation was made Tuesday. In a study published in Nature, scientists with the Canadian Hydrogen Intensity Mapping Experiment (CHIME)/FRB Collaboration have now reported the discovery of another repeating FRB. Hundreds have been spotted, but only a handful have ever repeated themselves — and they seem to come from locations all over the universe. If confirmed, the discovery would be another first in the early study of FRBs, which have only been known to science for a relatively short period of time. The first FRB was spotted in 2007, and the signals have mystified scientists ever since. For example, earlier this year, one team was able to trace on FRB to an "odd" V-shaped star-forming region in a huge spiral galaxy half a billion light years away. They say the source might be flickering at regular intervals, or some other factor might be interrupting the signal blasts in a consistent pattern. How Marcy Borders Became The 'Dust Lady' Of 9/11 — Then Suffered For The Rest Of Her Life, Police Seize $200,000 Cash And Hallucinogenic Mushrooms From California's Zide Door Church, What Stephen Hawking Thinks Threatens Humankind The Most, 27 Raw Images Of When Punk Ruled New York, Join The All That's Interesting Weekly Dispatch. Until now, however, none appeared to have come from our own galaxy. The CHIME team hopes their latest findings will shed more light on the mysterious origins of the radio signals that echo through our universe. To continue reading login or create an account. Though it is largely unknown what causes FRBs, there are some theories that range from cosmic explosions to messages sent by aliens. Two weeks ago, they detected 12 bursts from FRB 121102. A second repeating radio signal has been detected from deep space, scientists announced. Astronomers detect mysterious radio signals, The world's most dangerous spiders (WARNING GRAPHIC IMAGES), Internet mocks Oregon militia with "Vanilla ISIS," "Y'all Qaeda". The Canadian astronomers say they've found a second repeating signal that is distinct from the first one. The recently detected FRB, known as FRB 180916.J0158+65, sends out bursts that last for four days before stopping for 12 days and then repeating. A radio signal coming from a source within the Milky Way has been detected by astronomers. 29 interesting space facts that prove how boring life on Earth is, baked history’s first-ever batch of space cookies. Betelgeuse: Dying star sparks hope for ‘moon’-sized supernova over Earth. ", You have 4 free articles remaining this month, Sign-up to our daily newsletter for more articles like this + access to 5 extra articles. Postal Service faces delivery delays, U.S. battles coronavirus surge as states see record new cases, South Dakota attorney general "distracted" before deadly crash, CBS News coverage of voting rights issues. "It is amazing how much similarity in spectral and temporal behavior there is between this second repeater and 121102, including very limited spectral extent and drifting emission. They only last for a thousandth of a second, making them difficult to study. With more mail-in ballots, officials urge patience on election night, Americans and the right to vote: Why it's not easy for everyone, Why some mail-in ballots are rejected and how to make sure your vote counts. Canada’s CHIME telescope near Penticton, B.C., is specifically designed to listen for such radio signals from space. The discovery is preliminary and researchers will need to analyze the burst to confirm their findings. Postal Service faces delivery delays, U.S. battles coronavirus surge as states see record new cases, South Dakota attorney general "distracted" before deadly crash, CBS News coverage of voting rights issues. Finding where they came from and what produced them has been largely a mystery. Then it falls silent for 12 days. The new signal is known as FRB … A black hole can only collapse once, because when the FRB repeated scientists realized either there must be another explanation, or more than one source can produce these bursts. “This is an exciting result as it is only the second system where we believe we see this modulation in burst activity,” he said. Suggestions have included cataclysmic events, such as the collision of two neutron stars or a collapsing black hole. Tom Landecker, another CHIME team member, explained: "[We now know] the sources can produce low-frequency radio waves and those low-frequency waves can escape their environment, and are not too scattered to be detected by the time they reach Earth. The Canadian astronomers say they've found a second repeating signal that is distinct from the first one. The Arecibo Observatory telescope in Puerto Rico first spotted FRB 121102 in November 2012, but it would be another eight years before anyone could confirm that it was signaling on a schedule. READ MORE: After scanning the waves through the world’s largest telescope, the 1,640-foot Aperture Spherical Radio Telescope (FAST) in southwest China, they observed slightly different results from Rajwade’s team and instead calculated a 156-day cycle. The discovery is a sign that there could be even more repeating FRBs out there waiting to be found — and maybe even an answer to the mystery of their source. "With more repeaters and more sources available for study, we may be able to understand these cosmic puzzles — where they're from and what causes them," Ingrid Stairs, a University of British Columbia professor who collaborated on the study, said in a statement.

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