How Earth’s poles went walkabout
Stick a penny to the edge of a spinning top and its axis of rotation will shift. Now evidence is emerging that something similar may have happened more than once to the Earth. Image: FlyingSinger
Read Moreby Colin | Apr 4, 2008 | Earth Science, Journalism | 0
Stick a penny to the edge of a spinning top and its axis of rotation will shift. Now evidence is emerging that something similar may have happened more than once to the Earth. Image: FlyingSinger
Read More