The Earth’s magnetic field is a shield that protects us from the sun’s harmful radiation. It’s a fascinating phenomenon that ...

The sun is on the verge of a significant event: a magnetic field reversal. The sun undergoes such a reversal every 11 years, which marks an important stage in the solar cycle. The shift in ...

Doomsayers would have a field day proclaiming the end ... The Earth is not alone in this fickleness: The sun's magnetic shield appears to reverse its polarity approximately every 11 years.

Geophysicist Daniel Lathrop wants, among other things, to use it to predict when the Earth’s magnetic field will next reverse ... will our sun’s radiation bombard us? Will migrating birds ...

They could see neither visual landmarks, nor their fellow, non-captive robins, nor the sun or stars ... weakening or even complete reversal of the magnetic field. "My gut reaction is it's not ...

This article was originally published with the title “ Magnetic Fields on the Quiet Sun ” in Scientific American Magazine Vol. 215 No. 5 (November 1966), p. 54 doi:10.1038 ...