Radio astronomers detect electromagnetic radiation at 45.0 M…

Questions

Rаdiо аstrоnоmers detect electromаgnetic radiation at 45.0 MHz from an interstellar gas cloud. They suspect this radiation is emitted by electrons spiraling in a magnetic field. (me=9.11x10-31 kg, e-=1.60x10-19C) What is the magnetic field strength inside the gas cloud?

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