Fig. 7From: A potential space- and power-effective muon sensor module for imaging a volcanoDistribution of muon scatter angle after passing through (a) 500 m SiO2, (b) 1,000 m SiO2, (c) 1,500 m SiO2, where the arrival angle of the muon is 80° and the density of SiO2 is 2 g/cm3.Back to article page