Computer models birth of planets
Washington: Planetary researchers have got a new tool to study the evolution of Earth and our solar system - simulated models of how planets are born.
Most planets form when a molecular cloud collapses into a young star. The leftover gas and dust form a disk around the star, and the particulates inside the disk begin to collide and coalesce over millions of years, forming larger and larger objects until a planet eventually takes shape.
Sally Dodson Robinson, astronomer, and her team of researchers at The University of Texas at Austin are modeling and simulating these protostellar disks.
The simulations model important factors such as the turbulence and temperature of the disk, which affect how and where planets form.
In a disk that is too turbulent, the particles move too fast and bounce off each other. Less turbulence means a greater chance for them to collide and stick together.
Discoveries like this are a result of the complexity of the models and simulations, which cover a timescale of millions of years.
The considerable computation involved in this project was facilitated by the Ranger supercomputer at the Texas Advanced Computing Center (TACC).
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