Various musical acts tune their e strings down to produce a "heavier" sound or to better fit the vocal range of the singer. as a guitarist you want to detune the e on your guitar to d ( 73.4 hz). if you were to maintain the same tension in the string as with the e string, what diameter of string would you need to purchase to produce the desired note? assume all strings available to you are made of the same material.

Stars are born within the clouds of dust and scattered throughout most galaxies. a familiar example of such as a dust cloud is the orion nebula. turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction. as the cloud collapses, the material at the center begins to heat up. known as a protostar, it is this hot core at the heart of the collapsing cloud that will one day become a star. three-dimensional computer models of star formation predict that the spinning clouds of collapsing gas and dust may break up into two or three blobs; this would explain why the majority the stars in the milky way are paired or in groups of multiple stars.therefor, i would say the answer is: dust and gases contract.i hope this ! < 3

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