The center of mass of our solar system. We need to transform all of our pulsar measurements to the frame of the SSB because it is roughly an “inertial reference frame”, meaning that it is not accelerating with respect to the pulsar reference frame.
The center of mass of our solar system. We need to transform all of our pulsar measurements to the frame of the SSB because it is roughly an “inertial reference frame”, meaning that it is not accelerating with respect to the pulsar reference frame.