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What we learned from a golden moment in astronomy
Astronomers witnessed for the first time ever a rare collision of two dense neutron stars. The discovery began with an instrument called LIGO, which won this year’s Nobel Prize for its discovery of gravitational waves once predicted by Albert Einstein. Science correspondent Miles O’Brien joins Hari Sreenivasan to explain how the collision was detected and what it reveals about the universe.
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Wednesday on the NewsHour, even as lawmakers paid respects to a fallen Capitol Hill police officer Republicans face a defining moment for the party's future, the U.S. and Russia agree to extend the last remaining nuclear arms control treaty, and more.
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Wednesday on the NewsHour, the Biden administration lays out its plan to tackle the global climate crisis, we break down what's driving the volatility in the stock market, and mothers leaving prison face an uphill battle reentering society and reconnecting with their families.
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Tuesday on the NewsHour, the Biden administration continues its flurry of executive actions, a discussion with White House adviser Susan Rice on driving the goal of equity, COVID infections and deaths dip amid sluggish pace of inoculations and more.
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