Readers may recall when we covered the first detection of gravity waves from space, heralding a new era in astronomy. It was big news. Now, a second detection has been announced.
From NASA’s Astronomy Picture of the Day: (h/t to Dr. Leif Svalgaard)
A new sky is becoming visible. When you look up, you see the sky as it appears in light — electromagnetic radiation. But just over the past year, humanity has begun to see our once-familiar sky as it appears in a different type of radiation — gravitational radiation. Today, theLIGO collaboration is reporting the detection of GW151226, the second confirmed flash of gravitational radiation after GW150914, the historic first detection registered three months earlier.
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