Tuesday, November 24, 2009

Magnetic assist helps big stars form
[ Mon, 23 Nov 2009 19:37:26 GMT ]

This artist's conception shows a disk of gas and dust surrounding the massive young stellar object called Source I. A wind of gas flows toward the surface of the disk (colored arrows) and is sculpted into an hourglass shape by magnetic field lines (thin blue lines). Gas also flows away from the disk. (Redder colors indicate motion away from observer and blue colors indicate material moving toward an onlooker.) Massive stars in the process of forming likely rely on magnetic fields to steer gas onto their surfaces and help them grow into adults, according to new images.


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