Recent content by halfbakedi420
-
H
Earth’s magnetic field has reversed a number of times in its history
300,000 years is what i saw on history channel today. they use the polarity in the rock formed on the ocean floor to determine which direction was...well...north per say...they didnt say when the last one was, but if its 200, or 300 thousand, and its been 700 thousand years...what gives here?- halfbakedi420
- Post #17
- Forum: Earth Sciences