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April 8, 2021
Astronomers detected a new nearby and repeating fast radio burst, originating from a spot near the great spiral galaxy M81.
The galaxy in the top right is M81. The square insert (top left) shows the extent of hydrogen gas surrounding this galaxy. The red oval indicates the region of origin for the fast radio burst, “to a likelihood of 90%,” these astronomers said. Within this region there are 4 known entities that could have spawned the bursts: an ionized gas region, an X-ray source, a globular cluster and a radio source. Image via DSS/ M. Bhardwaj et al.
Astronomers discovered the mysterious signals known as fast radio bursts (FRBs) as recently as 2007. The bursts are short and strong – on average only .001 of a second long – but with as much energy in that millisecond as our sun puts out in three days. Fast radio bursts aren’t uncommon, though. Astronomers believe that roughly 1,000 of them arrive at Earth each day. We don’t know yet what causes them,
SOURCE / INSIGHT By Xinhua Published: Feb 26, 2021 09:03 PM
A researcher introduces the model of China? Hard X-ray Modulation Telescope during a science event in Beijing, China, in August 2020. Photo: IC
China s Hard X-ray Modulation Telescope (HXMT), the country s space science satellite also known as Insight, has found that a fast radio burst (FRB) signal detected last year came from a magnetar in the Milky Way, Chinese scientists announced recently.
The discovery marked a milestone in understanding the nature of the mysterious signal emanating from the universe, the scientists said.
The research was conducted jointly by scientists from the Institute of High Energy Physics (IHEP) under the Chinese Academy of Sciences, Beijing Normal University, University of Nevada Las Vegas, Tsinghua University and other institutions.
China s Hard X-ray Modulation Telescope (HXMT), the country s space science satellite also known as Insight, has found that a fast radio burst (FRB) signal detected last year came from a magnetar in the Milky Way, Chinese scientists announced Friday.
The discovery marked a milestone in understanding the nature of the mysterious signal emanating from the universe, the scientists said.
The research was conducted jointly by scientists from the Institute of High Energy Physics (IHEP) under the Chinese Academy of Sciences, Beijing Normal University, University of Nevada Las Vegas, Tsinghua University and other institutions. The findings have been published in the latest issue of Nature Astronomy.
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