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12 太阳的发电机过程太阳是一个巨大的球体,呈气态,热得足可以导电(也就是等离子体),它比任何具有永久磁性的物体都要热得多。因此,太阳黑子的磁性一定是电流产生的。1919
12 Solar Dynamo Process The sun is a giant sphere that is gaseous and sufficiently thermally conductive (ie, plasma) that it is much hotter than any object that has permanent magnetism. Therefore, the magnetic sunspots must be current generated. 1919