The study of hydrogen-rich water-ice areas of the moon has allowed scientists to figure out that in the past North and South poles of our satellite was not where you can see them today. Since the axis of rotation of the moon has shifted significantly, experts say.
photo: Gennady Cherkasov
The shift of the poles, according to experts, began about three billion years ago and lasted for about a billion years. If the observer on the Ground decided to look at the moon before, known to all from childhood “person” that can be seen on it at a certain fantasy would have been slightly different angle, transmits sciencealert.com.
To think about the fact that the pole of the satellite could be in a different place, scientists made the data obtained with the lunar probe LRO and LCROSS. As it turned out, both poles of the moon, the ice caps were shifted approximately equal to the distance strictly in the opposite direction relative to each other. The most consistent explanation for this could be the exactly a smooth shift of the axis of rotation of a celestial body.
Astronomers predict that the last volcanic activity on the satellite led to the fact that a significant portion of the matter forming his mantle, appeared on the surface. This provoked a redistribution of the mass of the moon and, as a consequence, the shift of the center of gravity and the axis of rotation.
According to lead author of the study, Matthew Ziegler from southern Methodist University in Dallas, the discovery was a surprise to scientists, because it is evidence of turbulent activity within the satellite. Still the Moon was considered much more “calm” body.
Recently, scientists have stated that 3.7 billion years ago, the axis of rotation changed our cosmic neighbor — Mars. His pole moved to the even more spectacular events was the eruption of a volcano known as Tharsis tholus Dome, a thousand times more powerful than the strongest eruptions on other planets of the Solar system, including Earth. “Reversal” of Mars was approximately 25 degrees.Related posts: