JUPITER WITHOUT HIS SATELITES. 
257 
satellites. The figures of the shadows will suffice to afford an 
easy explanation of Maraldi’s observation, that the shadow of the 
fourth satellite appears larger than the satellite. 
At 10 h 15 m p.m. August 21 the positions of the satellites and 
shadows are those shown in fig. 2, the second satellite being, of 
course, behind the disc. A little examination of the figure 
will show that a few minutes after half-past eleven the three 
interior satellites are in the same line with the planet’s centre. 
U 2 
