  We study the effect of retardation of gravity in binary pulsars. It appears
in pulsar timing formula as a periodic excess time delay to the Shapiro effect.
The retardation of gravity effect can be large enough for observation in binary
pulsars with the nearly edgewise orbits and relatively large ratio of the
projected semimajor axis to the orbital period of the pulsar. If one succeeds
in measuring the retardation of gravity it will give further experimental
evidence in favor of General Relativity.

General Relativity and Quantum Cosmology;Astrophysics