Marie Drake Planetarium

Where the stars always shine in Juneau, Alaska

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An artist's impression of gravitational waves generated by binary neutron stars.

Gravitational Waves
Presentation by Steve Kocsis
January 16th

'Gravitational Waves' - Predicted by Einstein's general theory of relativity in 1916 but, not observed until 2015, gravitational waves are created by extremely dense objects - like neutron stars and black holes - orbiting in pairs. The dynamics of these objects distorts space-time, creating ripples that can be detected with sensitive instruments. Three American scientists received the 2017 Nobel prize in Physics for their roles in the discovery.

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