The incident, the gravitational waves, gamma rays and visible light in the position of the celestial sphere. The enlarged image shows the location of the host galaxy NGC4993, including the Swope optical discovery image (top right) from 10.9 hours after merging and the image (bottom right) 20.5 days prior to merging. LIGO Scientific Cooperation Organization
After three scientists won the 2017 Nobel Prize in physics, gravitational wave scientists have "made" a big news. Beijing time at 10 pm on October 16, the laser interference gravity wave Observatory (LIGO) and the Virgo gravity wave detector cooperative organization jointly held a press conference, announced that from the 130 million light-years outside the galaxy NGC4993 gravitational wave signal . Even more exciting is that the gravitational wave signal is likely to come from the two merged neutron stars, and then scientists observed the gamma rays generated by the merger, optical radiation and the phenomenon of the giant star, this dual neutron star merger to achieve the " Gravity wave + electromagnetic wave "joint observation.
As a crowd, people tend to lament that such a weak ripple in the vast universe spread hundreds of millions of years can be captured by humans, scientists make a lifetime effort to bet, to challenge even Einstein himself afraid Imagine the limits of exploration, and eventually challenge the success of winning the "award." But what is the most exciting 2017 event to ask if the first wave of gravitational wave experts, or even the three scientists who won the Nobel Prize this year? Is it "Nobel Prize"? I think the answer is mostly negative. The most shocking area for gravitational wave research in 2017 should be that for the first time, human beings detected the gravitational waves generated by the merger of two neutron stars on August 17, 2017 and at the same time detected the electromagnetic wave counterparts that are in agreement with this gravitational wave!
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