This led to the idea that aurora were produced by magnetic, or iron- like particles flowing through the air because only magnetic iron or steel could produce magnetic fields.
(This; led; to the idea that aurora were produced by magnetic, or iron- like particles) (aurora; were produced; by magnetic, or iron- like particles; because only magnetic iron or steel could produce magnetic fields) (iron- like particles; flowing; through the air) (only magnetic iron or steel; could produce; magnetic fields)
This aurora iron- like particles only magnetic iron or steel
led were produced flowing could produce
to the idea that aurora were produced by magnetic, or iron- like particles
by magnetic, or iron- like particles because only magnetic iron or steel could produce magnetic fields
through the air
magnetic fields