Most of the events described in the previous section would shift a mass by about 10^-21 meter, equivalent to a millionth the diameter of a proton, per meter of separation.
(the events; described; L:in the previous section) (Most of the events; would shift; a mass; by about 10^-21 meter)
the events Most of the events
described would shift
L:in the previous section
a mass by about 10^-21 meter