Magnetic fields in distant galaxy are new piece of cosmic puzzle
MADISON, Wis. — Astronomers have measured magnetic fields in a galaxy 4.6 billion light-years away — a big clue to understanding how magnetic fields formed and evolved over cosmic time.
more…
Tau.Neutrino said:
Magnetic fields in distant galaxy are new piece of cosmic puzzleMADISON, Wis. — Astronomers have measured magnetic fields in a galaxy 4.6 billion light-years away — a big clue to understanding how magnetic fields formed and evolved over cosmic time.
more…
The article is very vague about how you actually measure a magnetic field 4.6 billion light years away. Anyone have any idea how they do it?
The Rev Dodgson said:
Tau.Neutrino said:
Magnetic fields in distant galaxy are new piece of cosmic puzzleMADISON, Wis. — Astronomers have measured magnetic fields in a galaxy 4.6 billion light-years away — a big clue to understanding how magnetic fields formed and evolved over cosmic time.
more…
The article is very vague about how you actually measure a magnetic field 4.6 billion light years away. Anyone have any idea how they do it?
arxiv.org/pdf/1302.5663
might shed some light just going by the abstract, ionised gas and dust by the looks.
Bogsnorkler said:
The Rev Dodgson said:
Tau.Neutrino said:
Magnetic fields in distant galaxy are new piece of cosmic puzzleMADISON, Wis. — Astronomers have measured magnetic fields in a galaxy 4.6 billion light-years away — a big clue to understanding how magnetic fields formed and evolved over cosmic time.
more…
The article is very vague about how you actually measure a magnetic field 4.6 billion light years away. Anyone have any idea how they do it?
arxiv.org/pdf/1302.5663
might shed some light just going by the abstract, ionised gas and dust by the looks.
Thanks, looks like that has the answer.
A bit long though :)