Tag Archives: Black Holes

50 shades of black holes for 17 years of Cosmic Log

This week marks 17 years since Cosmic Log was founded, and to celebrate the occasion, here’s the text of a talk I gave this month at Theatre Off Jackson for Infinity Box Theatre’s “Centrifuge” production of science-oriented one-act plays. My … 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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Scientists unveil first image of a black hole

WASHINGTON, D.C. — Scientists today shared the first picture to show the immediate surroundings of a galaxy’s supermassive black hole, captured by a network of radio telescopes that adds up to what could be considered the world’s widest observatory. A … 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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Relativity rules star near our galaxy’s black hole

A 26-year-long observational campaign provides clear evidence of the effect that general relativity has on the motion of a star known as S2 as it boomerangs around the supermassive black hole at the center of our Milky Way galaxy. Get … Continue reading

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Neutrino trackers solve a cosmic ray puzzle

An array of detectors buried under a half-mile-wide stretch of Antarctic ice has traced the path of a single neutrino back to a supermassive black hole in a faraway galaxy, shedding light on a century-old cosmic ray mystery in the … Continue reading

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