Wednesday, March 14, 2012

Early Star Formation

Diagram of phases in stellar formation
Just recently, some astronomers have taken a look at the constellation Perseus using infrared and radio telescopes.  Using the Gould Belt Survey of the Herschel telescope, scientists have been able to observe a cluster of gas 770 light years away.  This cluster is thought to be in the early stages of star formation where gas and dust begin to condense into clumps by gravitational force.  The problem with most gas clusters in the near universe is that they are either already in later stages of star formation or are greatly affected by nearby stellar winds or supernova shock waves.  This find is great for astronomers trying to learn more about stellar evolution, particularly in earlier stages, since the discovered gas cluster is more detailed than anything found elsewhere.  Following is a short simulation on star formation.
The simulation begins with the gas cloud.  Small clumps of gas can be seen grouping together and a few stars are formed, the lower mass ones being kicked out first of the spinning clumps.

source: phys.org, youtube

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