Tag Archives: LIGO

Gravitational waves point to cosmic conundrum

Telltale ripples in the fabric of spacetime have revealed the existence of a cosmic object that scientists can’t definitively classify. Whatever it is, the object was engulfed suddenly by a black hole weighing 23.2 times the mass of our sun, … Continue reading

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Japan joins the global gravitational wave hunt

Japan’s Kamioka Gravitational-Wave Detector, or KAGRA, is due to start teaming up with similar detectors in Washington state, Louisiana and Italy in December, boosting scientists’ ability to triangulate on the origins of cataclysmic cosmic events such as black hole smash-ups. Representatives … Continue reading

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It’s a double whammy of gravitational waves!

Two detections of gravitational waves, separated by a mere 21 minutes, set off a flurry of excitement among astronomers today. Was it a binary black-hole merger? A double observation of a single black-hole merger, created by gravitational lensing effects? A … Continue reading

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Did a black hole just gobble up a neutron star?

The Laser Interferometer Gravitational-Wave Observatory, or LIGO,  has detected mergers of black holes, and even a couple of neutron star smash-ups. But it hasn’t yet confirmed the signature of a black hole gobbling a neutron star. That could soon change. Over … Continue reading

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Readings hint at black hole eating neutron star

The science teams for the Laser Interferometer Gravitational-Wave Observatory, or LIGO, and Europe’s Virgo detector today laid out the details of their recent detections, including a crash between neutron stars, three black hole mergers and what may be the first observed collision of … Continue reading

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LIGO and Virgo gear up for gravitational waves

Physicists won’t be fooling around on April 1 at the Laser Interferometer Gravitational-Wave Observatory in Washington state and Louisiana, or at the Virgo gravitational-wave detector in Italy. Instead, they’ll all be bearing down for the most serious search ever conducted for signs of merging … Continue reading

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Four black hole smashups added to LIGO’s list

Four more mergers of black holes, including the biggest one recorded to date, have been added to a catalog generated by gravitational-wave detectors. The additions were announced today by the teams in charge of the Laser Interferometer Gravitational-Wave Observatory, or … Continue reading

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Year in Science: Neutron star smashup leads the list

For the second year in a row, the journal Science is hailing a discovery sparked by the Laser Interferometer Gravitational-Wave Observatory as the Breakthrough of the Year. Last year, the breakthrough was LIGO’s first-ever detection of a gravitational-wave burst thrown off by the merger of … Continue reading

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Scientists spot a smallish black hole smashup

It took months to figure it out, but the scientists in charge of the Laser Interferometer Gravitational-wave Observatory, or LIGO, have confirmed their observations of the most lightweight black hole merger yet. The latest detection provides further confirmation of Einstein’s general … Continue reading

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Scientists spot neutron stars as they clash and flash

For the first time ever, researchers have recorded the cataclysmic smash-up of two neutron stars by virtue of their gravitational waves as well as their electromagnetic emissions, producing data that could unlock cosmic secrets galore. The findings from the Aug. 17 … Continue reading

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