KREUZADER (Posts tagged space)

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K-State study finds that patterns formed by spiral galaxies show that the universe may have a defined structure, and that the early universe could have been spinning

An analysis of more than 200,000 spiral galaxies has revealed unexpected links between spin directions of galaxies, and the structure formed by these links might suggest that the early universe could have been spinning, according to a Kansas State University study.

Lior Shamir, a K-State computational astronomer and computer scientist, presented the findings at the 236th American Astronomical Society meeting in June 2020. The findings are significant because the observations conflict with some previous assumptions about the large-scale structure of the universe.

$Fast radio bursts could be far-flung magnetars, new evidence suggests In recent years, enigmatic events called Fast radio bursts (FRBs) have captivated radio astronomers. These brief but incredibly bright radio pulses last only a fraction of a...$

Fast radio bursts could be far-flung magnetars, new evidence suggests

In recent years, enigmatic events called Fast radio bursts (FRBs) have captivated radio astronomers. These brief but incredibly bright radio pulses last only a fraction of a second, yet they’ve been found in distant galaxies across the universe. And although the discovery of the first FRB in 2007 caught researchers somewhat flat-footed, it ultimately led to many theories about what drives these strange pulses. There’s a problem, however: Astronomers have only seen FRB-like events in distant galaxies, which makes them hard to study in detail.

That seems to have changed last week.

On April 28, two radio telescopes spotted a new FRB-like pulse originating from a flaring magnetar located some 30,000 light-years away, putting it firmly within the Milky Way. And just a few days later, they detected another burst from the same nearby object.

With the detection of these events, astronomers are optimistic they’ve spotted a nearby example of a possible source of distant FRBs. Namely, highly magnetic neutron stars.