Powerful radio bursts from distant cosmic sources could be used to study gas cocoons around nearby galaxies.
) confirming that 24 FRBs intercepted by galactic halos were indeed slowed down compared to others that traveled to Earth unimpeded. Thus, this effect can be used to probe the material through which the FRB passes.
"Our study shows that FRBs can act as skewers of all the matter between our radio telescopes and the source of the radio waves," Tolman Postdoctoral Scholar Research Associate in Astronomy at Caltech, Liam Connor, said in a ."We have used fast radio bursts to shine a light through the halos of galaxies near the Milky Way and measure their hidden material."
The use of more distant FRBs from outside our galaxy to investigate the massive pools of gas which surround other galaxies has already revealed a surprise. The astronomers found that there is more matter in gas haloes than previously believed, around twice as much as predicted by theoretical models.
"These gaseous reservoirs are enormous," Connor said."If the human eye could see the spherical halo that surrounds the nearby Andromeda galaxy, the halo would appear one thousand times larger than the moon."are the remains of the same material that is used to form the stars and planets a deeper investigation of them could lead to a better understanding of how galaxies evolve over periods of billions of years.
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