One immense problem is that the primordial fireball destroyed all the evidence; the temperature of the universe in the first seconds of its existence was many trillion degrees.
最大的难题是那初始的火球销毁了一切证据；在宇宙产生的最初几秒钟里，它的温度高达几万亿度。
One immense problem is that the primordial fireball destroyed all the evidence; the temperature of the universe in the first seconds of its existence was many trillion degrees.
最大的难题是那初始的火球销毁了一切证据；在宇宙产生的最初几秒钟里，它的温度高达几万亿度。
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