US EditionTwo mysterious fast radio bursts originated from wildly different places in space
- Mysterious fast radio bursts, or FRBs, are bright flashes of radio waves from space that have intrigued astronomers since 2007, releasing energy comparable to the Sun in a day.
- One fast radio burst originated from a magnetically active environment near a neutron star, while another came from a distant galaxy, indicating diverse origins for FRBs.
- The discovery of FRB 20240209A, which produced 21 pulses, surprised astronomers and was traced to an 11.3 billion-year-old galaxy, suggesting FRBs can originate in star-starved regions.
- Researchers believe the new findings could help unravel the mystery of FRBs, as they show that these signals may be produced in various ways and environments.
15 Articles
15 Articles
A recent fast radio burst calls into question what astronomers believed they knew
Astronomer Calvin Leung was excited last summer to crunch data from a newly commissioned radio telescope to precisely pinpoint the origin of repeated bursts of intense radio waves—so-called fast radio bursts (FRBs)—emanating from somewhere in the northern constellation Ursa Minor.
Astronomers thought they understood fast radio bursts. A recent one calls that into question.
The new ability to pinpoint sources of fast radio bursts places one recent burst in a surprising location. Astronomer Calvin Leung was excited last summer to crunch data from a newly commissioned radio telescope to precisely pinpoint the origin of repeated bursts of intense radio waves — so-called fast radio bursts (FRBs) — emanating from somewhere in the northern constellation Ursa Minor. Leung, a Miller Postdoctoral Fellowship recipient at the…
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