Another mysterious deep space signal traced to the other side of the universe

CNET | 7/2/2019 | Eric Mack
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The Owens Valley Array in California's Sierra Nevada mountains.

Since 2007, astronomers have been finding very brief, powerful signals from across the cosmos in observations gathered by radio telescopes. In the past week, researchers pinpointed the location of a non-repeating signal for the first time and two days later, another group announced they'd discovered nine more. The sources of these so-called "fast radio bursts" (FRB) remains a mystery, but very recently researchers have been honing their ability to localize their origins.

Tuesday - Team - CalTech - Owens - Valley

On Tuesday, a team using CalTech's Owens Valley Radio Observatory (OVRO) near Bishop, California reported that it managed to capture a new, non-repeating FRB dubbed FRB 190523 and trace it back to a galaxy nearly 8 billion light years away.

A number of possible explanations for what causes FRBs have been proposed, ranging from powerful neutron stars to extraterrestrial intelligence.

Article - Preview - OVRO - Discovery - Online

An accelerated article preview of the OVRO discovery was published online in the journal Nature, less than a week after an Australian team working with the Australian Square Kilometre Array Pathfinder (ASKAP) announced they had also traced a non-repeating burst back to its source galaxy, some 4 billion light years away.

As if that wasn't enough FRB poppin' off action for a single week, a Russian observatory also reported a batch of nine more FRBs, including a new repeater. Repeating FRBs are kind of a big deal because they're rare (the latest from Russia is just the third ever to be captured)...
(Excerpt) Read more at: CNET
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