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	Podcast:		UC Science Today
	Episode:		The evolution of star simulations
	Category:		Science & Medicine
	Duration:		00:01:02
	Publish Date:		2016-09-15 19:00:00
	Description:		Astrophysicist Richard Klein of the University of California, Berkeley has spent years developing code for a massive simulation that covers 700,000 years of star formation. The simulation was so large that it had to be run on NASA’s most powerful supercomputer. And now, Klein plans to create an even bigger program. "To develop a comprehensive theory of star formation, which is our ultimate goal, you have to start at large scales. And so over the last several years, we’ve been extending the calculations to start at much larger gas clouds within the galaxy, and then evolving those simulations to the gravitational collapse of these huge clouds, all the way down to the point where they actually can form stars." The major theme of the last few years has been to bring in more relevant physics in larger scale simulations. The hope is that their expansion will more accurately reflect the initial conditions of star formation.
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