gravitational interaction
- n a weak interaction between particles that results from their mass; mediated by gravitons
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- Texas Tech's Post-Doctoral Researcher on Team Finding Supernova Remnant Associated With a Binary System
A binary system is two objects in space, such as stars or planets, which are close enough that their gravitational interaction causes them to orbit around a common center of mass. Neutron stars are the densely packed, collapsed cores of massive stars that sometimes are left after a supernova explosion.
Dec. 9, 2013 - Newswise