Sentences with phrase «magnetic poles last»
That estimate is backed up by paleomagnetic data, which show that this portion of the reef must have formed after Earth's magnetic poles last reversed, some 790,000 years ago.
http://www.sciencemag.org/ Not exact matches
But observations last year hint that the protostar's stellar wind was flowing more quickly from the object's poles (relative speeds depicted in bluish ovoid in image above), and its magnetic field had become aligned with that of the larger cloud of gas and dust that surrounds it, the researchers report online today in Science.
The giant blue - green planet visited last January by Voyager 2 has one pole pointing toward the sun, and its magnetic field is askew.