In fact they must release energy in that way in order to degrade their orbits and get close enough to merge. Those gravitational waves could act sort of like a jet engine, explained Jonker.

Jonker解释道，“事实上他们必须通过这种方式来释放能量，降低轨道，彼此靠近并最终融合，这些重力波能产生类似喷气发动机的效果。”

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South African referee Marius Jonker ordered it to be re-set twice before awarding Australia a free-kick at the third scrum.

BBC: England 14-28 Australia

The workers at the farm appear to share Mr Jonker's enthusiasm.

BBC: Africa

Back at the family estate, in a stunning valley surrounded by mountains, Mr Jonker sniffed and then sipped a sample of the Methode Cap Classique sparkling white wine that is still fermenting.

BBC: Africa