Cosmic bubble made cold spot in big bang afterglow

 作者:哈槠     |      日期:2019-03-14 06:02:03
By Rachel Courtland A BUBBLE of space that expanded differently to the rest of the early universe could explain a strange “cold spot” in the afterglow of the big bang. Such bubbles might have formed just fractions of a second after the universe came into existence, when it grew dramatically in size. “It would be an unexpected gift, because we would all of a sudden have a very good window on inflation,” says Anže Slosar of the Brookhaven National Laboratory in Upton, New York,