Neutron stars collision: Australian science reacts – as it happened

Australia's chief scientist Alan Finkel leads a panel discussing the extraordinary astronomical event witnessed for the first time

" New frontier for science as astronomers witness neutron stars colliding

" Gravitational wave observation is astronomical alchemy

11.52pm BST

And that concludes the press conference.

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Related: New frontier for science as astronomers witness neutron stars colliding

11.47pm BST

A journalist asks why observation in radio waves is so significant.

Tara Murphy explains: the radio emissions come from the shock as it passes through the gas and dust from the merger. "So you can build up a forensic picture of what the enviroment was like around the merger."