The universe encompasses all of space and time we know, so it is beyond the realm of the BigBangmodel to postulate what the universe beyond our horizon is.
The BigBangmodel of cosmology rests on two key ideas that date back to the early 20th century: General Relativity and the Cosmological Principle.
宇宙学中的大爆炸模型可以追溯到20世纪初的两个核心思想：广义相对论和宇宙学原理。
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Lawrence Krauss, a theoretical physicist at Arizona State University, is also skeptical of the finding, saying that the new bigbangmodel is too simplistic.