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How a star collision could unlock the biggest mysteries of the universe

caption: Illustration of two merging neutron stars
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Illustration of two merging neutron stars
NSF/LIGO/Sonoma State University/A. Simonnet

Bill Radke talks with astrophysicist Michael Landry about an historic collision of two neutron stars, known as a kilonova.

It's the first time scientists have observed this type of cosmic event both through electromagnetic and gravitational waves. Landry is head of the LIGO Hanford Observatory.

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