WASHINGTON, Jan 30 : Observations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing fresh evidence that the universe grew up a lot more quickly than previously known, with observations of a galaxy cluster forming sooner after the Big Bang than once thought possible. Researchers said these observations show an emerging galaxy cluster containing at least 66 potential member galaxies, with a total cluster mass of about 20 trillion stars the size of our sun, dating to