'This field is measured in nanoteslas -- it's about 60,000 nanoteslas at the poles & 30,000 at the equator'
Earth\'s magnetic field
PHYSICAL SCIENCE: This field is measured in nanoteslas -- its about 60,000 nanoteslas at the poles & 30,000 at the equator
This field is measured in nanoteslas -- it's about 60,000 nanoteslas at the poles & 30,000 at the equator
This field is measured in nanoteslas -- it's about 60,000 nanoteslas at the poles & 30,000 at the equator
PHYSICAL SCIENCE
Earth\'s magnetic field
PHYSICAL SCIENCE