Subsequent Evolution
The planets were originally thought to have formed in or near their current orbits. However, this view underwent radical change during the late 20th and early 21st centuries. Currently, it is thought that the Solar System looked very different after its initial formation: several objects at least as massive as Mercury were present in the inner Solar System, the outer Solar System was much more compact than it is now, and the Kuiper belt was much closer to the Sun.
Read more about this topic: Formation And Evolution Of The Solar System
Famous quotes containing the words subsequent and/or evolution:
“... the outcome of the Clarence Thomas hearings and his subsequent appointment to the Supreme Court shows how misguided, narrow notions of racial solidarity that suppress dissent and critique can lead black folks to support individuals who will not protect their rights.”
—bell hooks (b. c. 1955)
“The evolution of humans can not only be seen as the grand total of their wars, it is also defined by the evolution of the human mind and the development of the human consciousness.”
—Friedrich Dürrenmatt (1921–1990)