"The reaction to this action of compression is the expansion of the field which has been rendered vacuous by thus being drawn upon by the gravitative, indrawing, endothermic action of condensation." [Russell to NYT - 1930 November 2]
See Also
4plusplus
Aggregation
Assimilation
attraction of gravitation
Compression
compression pressure force
cycle of motion
center of high compression pressure
Gravitation
Neutral Center