How to use in-sentence of “center of mass”:
– They thought that the two asteroids orbit around their center of mass in 4.283±0.004 d at a distance of 680±20 km, describing a close to circular orbit.
– These will collide at a total center of mass energy of 0.5 TeV.
– It is the center of mass acting in a gravitational field.
– The center of mass of the entire column of mercury would be slightly lower if the top surface of the mercury were flat over the entire crossection of the tube.
– The two bodies orbit around the same center of mass which lies in the space between them.

