Utterly repulsive

日期:2019-03-06 06:12:02 作者:简邳葱 阅读:

By Hazel Muir THREE years ago we discovered that the Universe is expanding at a faster and faster rate. Now physicists say this might mean the Universe is littered with invisible “anti black holes” that repel any matter that comes close. The accelerating expansion of the Universe has been very difficult to explain. Many theorists think its ballooning size is caused by an exotic material called “quintessence”, a form of vacuum energy that pervades all of space and exerts a negative, outwards pressure (New Scientist, 3 April 1999,