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Not a ripple

Scientists find no gravity waves, but do make new conclusions about the Crab Pulsar

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1:16pm, June 13, 2008

In 2002, NASA's Chandra X-ray Observatory and the Hubble Space Telescope captured data for this composite image of the Crab Pulsar, a rapidly rotating neutron star the size of Manhattan. The pulsar is the brightest spot in the center of the Crab Nebula shown here. From November 2005 until August 2006, using a set of telescopes called LIGO and the radio telescope at Jodrell Bank in England, scientists again looked at the Crab Pulsar. The LIGO science team searched for any emission of gravitational waves — ripples in the fabric of space and time — and to see if the waves were in sync with the pulsar’s radio emissions. No gravitational waves were detected.

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