The Giant or Gas planets do not have the same layered structure that the terrestrial planets do, they have less solid material. ... The axis of this magnetic field is aligned parallel to the planet's rotation axis, contrary to the circumstances in both Jupiter and Earth. ... This braided ring structure is very difficult to explain; it seems likely that both electrical and gravitational forces are at work. ...
Wegener was also intrigued by the occurrences of unusual geologic structures and of plant and animal fossils found on the matching coastlines of South America and Africa, which are now widely separated by the Atlantic Ocean. ... Plate tectonics has proven to be as important to the earth sciences as the discovery of the structure of the atom was to physics and chemistry and the theory of evolution was to the life sciences. ...
Scientists throughout history have studied the effects of space weather. Over time, technology has advanced greatly, allowing scientists to gain a better knowledge of the workings of the solar system and thus a better knowledge of Earth. Telescopes and spacecraft have led scientists into the mysterious unknown - space. Due to advances made by NASA and other space researchers, the pieces of the solar system puzzle are finally coming together. There are still several mysteries yet to be uncovered and perhaps there always will be. ...
