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Keywords from Image Description:
Orbit. Two bodies with major difference in mass orbiting around common barycenter red cross with circular orbits larger movie showing an exoplanet orbiting star can be seen at Image Planetreflexsm Dwa ciaa duej rnicy mas krce wok wsplnego barycentrum Own User Zhatt Zhatt px px px px Animations of Kepler motions Twobody problem Barycenter